memory; recollection; remembrance; storage
compression; condensation; constriction; compaction
distinction; difference; separate; different; exception; exclusion
expansion; swelling; increase; growth
development; growth; development (of a situation, story, etc.); advancement; playing around; having an active sex life
special characteristic; special quality; trait; idiosyncrasy; peculiarity
origin; beginning; source; rise
cross product; vector product; outer product
axis; shaft; center; centre; stalk; stem
conversion; diversion; changeover; commutation; switchover
to interrupt; to obstruct (a view, someone's way, etc.); to block (light, wind, etc.); to intercept; to cut off
story; tale; talk; discussion
that is to say; so that means
cause; seed; variety; kind; counter for varieties
doubt; misgivings; distrust; suspicion
study; scholarship; learning; discipline; branch of learning; (a) science
at once; right away; promptly; on the spur of the moment
to be reminded of; to call to mind
toy; (person or thing treated as a) plaything
royal fern (Osmunda japonica); flowering fern; osmund; fiddlehead fern
essence; true nature; substance; reality
unrelated; unconnected; without relations (esp. of a deceased person); having no surviving relatives; unrelated to the teachings of Buddha; unable to be saved by Buddha
surplus; margin; leeway; composure; placidity; complacency
department; section; course (of study); branch of study; (taxonomical) family
tool; implement; means; furniture
to become stiff (of muscles); to get absorbed in; to develop a passion for; to be elaborate; to be intricate
fellow; guy; thing; object; he; she
to change one's way of thinking; to switch the direction of one's thoughts; to put one's focus on a new subject; to adopt a new frame of mind
feeling obliged; being grateful; being thankful; (arch.) shrinking back in fear
leaving; going home; quitting one's job; free time; leisure