Keyword
refine
Info
FrequencyTop 700-800
Type
Kyōiku (3rd grade) 
?
Shinjitai ?
KankenLevel 8
Heisig729
Old form硏
Readings
けん
(94%)
と
(5%)
Composed of
stone
oriental lantern
Mnemonic

If you'd like to refine your Japanese garden and make it more classy consider adding a stone trail and a fancy oriental lantern next to it.

Used in vocabulary (470 in total)
research; study; investigation
research institute; (research) laboratory
laboratory; seminar room; professor's office
training (esp. in-service); induction course
to sharpen; to grind; to whet; to hone; to make keen
researcher; lab worker
research (institute, laboratory, group, etc.)
research society; study class (e.g. religious); seminar (e.g. presentation of research)
to sharpen; to hone; to wash (rice); to scour; to polish
diligent study; devoting oneself to one's studies
research and development; R&D
research division; research club (e.g. at school, university)
collaborative research; joint research
results of a scientific investigation; findings
researcher; student (of)
grinding; polishing; refining (a skill, knowledge, etc.); applying oneself (to study); disciplining oneself
medical intern; resident
research funds; research expenses
material (data) for one's research; research material
research project (e.g. at school); independent research
workshop; training course
Institute of Physical and Chemical Research
clinical research; clinical study
postgraduate course; graduate course; graduate program; graduate school (of)
research material; experimental material
head researcher (at a research institute)
of inquiring mind; eager to study; enthusiastic in studying
research study; investigative research
polish; grinding; sharpening
society for the study of manga; manga club
institute for general research; multidiscipline laboratory
research publication; scholarly publication
to lie in wait; to wait for an opportunity to hurt someone; (lit.) to sharpen one's fangs
training period; residency (esp. medical); internship
diligent study; devoting oneself to one's studies
forensic researcher; crime scene investigator
academic study; academic research
Earthquake Research Institute of the University of Tokyo
research paper; study; thesis
institute for general research; multidiscipline laboratory
druggist's mortar
to sharpen; to grind; to whet; to hone; to make keen
Japan Agency for Marine-Earth Science and Technology; JAMSTEC
National Institute of Advanced Industrial Science and Technology; NAIST
research area; field of research
film studies; cinema studies
science institute; scientific laboratory
to sharpen one's claws
occult club
National Research Institute for Earth Science and Disaster Resilience; NIED
cooking expert; culinary researcher
technical research institute; technology research laboratory
technical research institute; technology research laboratory
film studies; cinema studies
research methods; method of study (research)
report of (one's) research; research paper
Meteorological Research Institute
diligent study; devoting oneself to one's studies
spirit of study (inquiry, enquiry); (having) an inquiring mind
National Institute of Information and Communications Technology; NICT
to polish; to shine; to burnish; to refine (a skill, etc.); to improve; to hone
to finish sharpening; to bring to a fine edge; to sharpen well; to polish up
Disaster Prevention Research Institute Kyoto University; DPRI
fieldwork; on-the-job training; hands-on training
abrasive compound; abrading agent; abradant; polishing agent
society for the study of manga; manga club
National Research Institute for Cultural Properties
training program; training system
research expenses; research costs
rakugo research society; rakugo research club
Institute of Space and Astronautical Science (ISAS)
National Agriculture and Food Research Organization (abbr); NARO
meeting for reading research papers
knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.)
claw sharpening; scratching post (for cats); claw sharpener
Judicial Research and Training Institute
National Research Institute of Police Science
Forestry and Forest Products Research Institute
rakugo research society; rakugo research club
Nara National Research Institute of Cultural Properties
research investigation; research survey
research for a graduation thesis; graduation thesis work; graduation research project
Japanese Foundation for Cancer Research; JFCR
to finish sharpening; to bring to a fine edge; to sharpen well; to polish up
grinder; grinding machine; polisher
A Study of Good (1911 philosophical treatise by Kitarō Nishida)
Technical Research and Development Institute
training camp; off-campus residential course
polish; burnishing; improvement; becoming more skilled
area of study (investigation); research area
Kagakuoyobi Kesseiryōhou Kenkyūsho (corporate name of Kaketsuken); Chemo-Sero-Therapeutic Research Institute
Bell Laboratories; Bell Labs
knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.)
clinical training (for doctors)
applied research; practical research
just sharpened
prior research; previous work
knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.); grindery
National Institute for Japanese Language and Linguistics; NINJAL; Kokken
subject for study (inquiry, enquiry); laboratory subject
National Institute for Physiological Sciences; NIPS
Heisei Kenkyūkai (faction of the Liberal Democratic Party)
Pasteur Institute; Institut Pasteur
advance training; prior training
research results; research record; research achievement
water that has been used to wash rice
cancer research; cancer research institute; cancer research center (centre)
laboratory block; research laboratory building
resident physician in specialty training
International Agency for Research on Cancer; IARC
research for a graduation thesis; graduation thesis work; graduation research project
knife sharpener; whetstone
postdoc; postdoctoral fellow; postdoctoral researcher
knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.); grindery
case method; case study method
Seiwa Seisaku Kenkyūkai (conservative faction of the Liberal Democratic Party); Abe faction
National Research Institute of Fisheries Science
National Institute of Fruit Tree Science; NIFTS
National Research Institute of Aquaculture; NRIA
Institute of Statistical Mathematics (Minato, Tokyo)
pilot study; preliminary study
Agricultural Research Administration; Agricultural Research Institute
just sharpened
grinder; grinding machine
Research and Training Institute of the Ministry of Justice
National Research Institute of Fisheries Engineering; NRIFE
initial clinical training (two-year postgraduate residency for new doctors)
Institute for Information and Communications Policy; IICP
National Cancer Institute (US); NCI
sharpening (of knives, swords, etc.); grinding; honing; whetting; polishing; buffing
sharpening (of knives, swords, etc.); grinding; honing; whetting; polishing; buffing
cancer research institute; cancer research center (centre)
Institute for Monetary and Economic Studies, Bank of Japan; IMES
National Institute of Floricultural Science
sharpening with a rough grindstone; rough sharpening
Japanese Foundation for Cancer Research; JFCR
Institute of Space and Astronautical Science; ISAS
Kinmirai Seiji Kenkyūkai (faction of the Liberal Democratic Party); Ishihara faction
Institute for Medical Sciences
National Research Institute of Cultural Properties
tool sharpener (esp. knives)
National Institute for Japanese Language and Linguistics; NINJAL; Kokken
to sharpen; to grind; to whet; to hone; to make keen
training institute for civil servants
Policy Research Institute, Ministry of Agriculture, Forestry and Fisheries; PRIMAFF
polishing; polished finish; burnished finish
Kuni no Katachi Kenkyūkai (faction of the Constitutional Democratic Party of Japan); Kan faction; Kan group
Tōhoku University Research Institute of Electrical Communication; RIEC
human research subject; person who is being studied
grinding; polishing; refining (a skill, knowledge, etc.); applying oneself (to study); disciplining oneself
repolishing; resharpening
National Institute of Environmental Pollution Research (pn)
research and teaching centre (center)
claw sharpening; scratching post (for cats); claw sharpener
National Research Institute of Agricultural Economics
diligent study; devoting oneself to one's studies
to finish sharpening; to bring to a fine edge; to sharpen well; to polish up
claw sharpening; scratching post (for cats); claw sharpener
rakugo research society; rakugo research club
writing brush and inkstone; writing; composition; daily life of a writer
International Agency for Research on Cancer; IARC
International Agency for Research on Cancer; IARC
sharpening with a rough grindstone; rough sharpening
communications laboratory
one who sharpens razors
knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.)
knife grinder (person); sword sharpener; polisher (of mirrors, swords, etc.)
grinding allowance
centerless grinding; centreless grinding
centerless grinding; centreless grinding
research student (worker) abroad
National Institute of Health
Pana-Wave Laboratory (Japanese religious organization)
Banchō Seisaku Kenkyūjo (faction of the LDP)
prefectural training institute
sabbatical; sabbatical leave
polished surface; ground surface
electrolytic polishing; electro-polishing; electrolytic grinding; electrolytic machining
research team; study team
intervention study (epidemiology)
research work; career in research; research position; researcher
specialty training (for doctors after two-year initial clinical training)
training for new employees; onboarding training; orientation course
training; practice; drilling; honing (one's skills); cultivation (e.g. of knowledge); improvement
training; practice; drilling; honing (one's skills); cultivation (e.g. of knowledge); improvement
United Nations Asia and Far East Institute for the Prevention of Crime and the Treatment of Offenders (abbr); UNAFEI
National Research Institute of Far Seas Fisheries; NRIFSF
European Organization for Nuclear Research; Organisation européenne pour la recherche nucléaire (formerly Conseil Européenne pour la Recherche Nucléaire); CERN
National Institute of Science and Technology Policy; NISTE
Korea Research Institute of Bioscience and Biotechnology; KRIBB
Institut pour l'etude des methodes de direction de l'entreprise
Japan Construction Method and Machinery Research Institute
Research Institute of Construction and Economy; RICE
Kenkyusha (publisher)
Kenkyusha's New Japanese-English Dictionary; Green Goddess (GG)
Japan Classic Literature Research Institute
Association for the Study of Industrial Management (Japan)
Japanese Association for International Accounting Studies
International Institute for Management Development; IMD
Japan International Trading Cooperation Organization; JITCO
National Institute for Leprosy Research
National Institute of Crop Science
SRIC Corporation; Sanwa Research Institute Corporation
Institute of Multidisciplinary Research for Advanced Materials; IMRAM
Photovoltaic Power Generation Technology Research Association; PVTEC
National Institute of Livestock and Grassland Science
Research Institute of International Trade and Industry
Tokyo Metropolitan Institute for Educational Research and In-Service Training
Nippon Urban Management and Local Government Research Association; NUMLGRA
Institute for the Preservation of Cultural Assets
Institute of Public Health and Environmental Science (usu. at prefectural or city level)
Institute of Public Health and Environmental Science (usu. at prefectural or city level)
National Institute for Research in Inorganic Materials
Institute for Posts and Telecommunications Policy; IPTP
Posts and Telecommunications Training Institute
National Institute of Advanced Industrial Science and Technology (abbr); AIST
Institute of Public Health and Environmental Science (usu. at prefectural or city level) (abbr)
Electro-technical Laboratory (abbr); ETL
Eiken Chemical Co, Ltd.
National Institute for Land and Infrastructure Management (abbr); NILIM
National Institute of Infectious Diseases (abbr.); NIID
Institute of Physical and Chemical Research (abbr)
International Agency for Research on Cancer; IARC
International Agency for Research on Cancer; IARC
International Agency for Research on Cancer; IARC
National Research Institute of Police Science (abbr)
Examples (155 in total)
He was looking into the possibility of buying a house.
He studied the way birds fly.
I concentrated my effort on the study.