black longspine urchin (Diadema setosum)
syringe; hypodermic needle; injector
proportion; proportional representation section (of an election)
to take a lot of dealing with; to be a handful
aquatic (life); living in the water
euglena (freshwater flagellate)
good (place to leave off); convenient
theme; topic; subject matter; motif; project; slogan
without leaving any trace
to scatter away; to blast away; to blow away (via explosion)
to take the form (of); to assume a shape
can do nothing but ...; have no choice but to ...; there is nothing to do but ...; cannot help ...
extinction; extinguishment; disappearance; annihilation
all sorts of things; (anything and) everything; by all means; at any cost
to make the impossible possible; to accomplish the impossible
to whirl; to eddy; to swirl; to whirl around (of feelings, thoughts, etc.); to swirl around; to surge
grinding; polishing; refining (a skill, knowledge, etc.); applying oneself (to study); disciplining oneself
form; adjective; i-adjective (in Japanese)
wheel (esp. of a vehicle)
grinder; grinding machine
to be reduced to ashes; to be cremated
change; conversion; transformation; transformation
origin of a word; derivation of a word; etymology
tearing up and discarding (e.g. documents); destruction; annulment; cancellation; reversal (of an original ruling on appeal); quashing
greenhouse; hothouse; conservatory; glasshouse
glazing; fitting with glass; transparency; openness; lack of secrecy
house; greenhouse; house music; go to your kennel (cage, bed, etc.)!
circulation; rotation; cycle; loop