in one ear and out the other
comma; decimal point; radix point
to stop; to halt; to have (someone) stay; to put up (a guest); to fasten; to pin
to drain; to pour; to float (e.g. logs down a river); to set adrift; to wash away; to carry away; to broadcast
(portable) electronic dictionary; pocket electronic dictionary; PED; digital dictionary (application or website); electronic dictionary
Kōjien (Japanese dictionary published by Iwanami Shoten)
looking up (e.g. a word in a dictionary); search (e.g. on the Internet); retrieval (of information); reference
law of conservation of mass
in; at; on; as for; regarding; with regards to
material; substance; matter
mass; quality and quantity
eternal; everlasting; unchangeable; invariant
discovery; detection; finding
to protect; to guard; to defend; to keep (i.e. a promise); to abide (by the rules); to observe
model; standard; pattern; norm; criterion; example
condition; term; requirement; qualification; prerequisite
under (guidance, supervision, rules, the law, etc.); under (a flag, the sun, etc.); beneath; with (e.g. one blow); on (the promise, condition, assumption, etc. that ...); (someone's) side
formation; establishment; conclusion (e.g. of a deal); reaching (e.g. an agreement); being valid (of a theory, argument, etc.); holding
universal; omnipresent; ubiquitous
to express (in words); to confess
structure; construction; arrangement; plan; plot; contrivance
rumbling (of thunder, one's stomach, etc.); grumbling; rolling (of something large and heavy); tumbling; all over the place; everywhere; idly
subdivision; segmentation; fractionalization; fragmentation
to trace back to (the origins of something)
root (of a plant); stump (of a tree); root (of a problem, etc.); base
number (on its own, without considering its proportion to the whole); overall number
various; a variety of; all sorts of; many (different)
center; centre; middle; -centered; -centred; -focused
core; core; hardcore; all-out
deep (hole, forest, snow, etc.); dense (e.g. fog); thick (e.g. weeds, woods); close (e.g. relationship); deep (involvement); intense (e.g. longing, flavor); severe
pursuit (of a goal, ideal, etc.); search; chase; seeking after
to carry to extremes; to go to the end of something; to reach the peak of something (e.g. luxury, hardships, etc); to be extremely (e.g. busy); to exhaust completely; to have nothing left (e.g. to say)
kernel; core; nucleus; center; centre
(practical) application; putting to practical use; applied (e.g. physics, linguistics, research)
firm; solid; steady; secure; unshakeable; unwavering