tracking number (e.g. for orders)
catalytic action; catalysis
to be blown in (e.g. rain); to sweep in
area of study (investigation); research area
class activities; homeroom activities
subject (of memo, email, etc.); title
luminescent organism; photogenic organism
family or brothel with a beautiful woman; vermillion-lacquered mansion
situation room; crisis management office
cutter; cutting machine; guillotine
dissimilation; catabolism; dissimilation (phonology); defamiliarization (artistic technique); ostranenie
chemical equation; reaction formula
designated evacuation shelter
character encoding (e.g. JIS, Unicode, etc.); character code
hard rubber (e.g. ebonite, vulcanite)
autonomic nervous system; ANS
idle time; down time; window period
less-than sign or greater-than sign (< or >); inequality sign
to rise to the surface; to surface; to stand out (e.g. against a background)