子

fundamental interaction (i.e. gravitation, electromagnetism, weak interaction, strong interaction)

ultra-fine lattice

association; connector

pattern of white spots; dapples

Computing

binary operator

medical electronics

electronic mail service; e-mail service; electronic mail system; e-mail system

letter facsimile service operated by Japan Post

gray satin fabric

young Japanese amberjack (Seriola quinqueradiata)

Rip van Winkle effect (for a woman); feeling that everything has changed once one comes back to Japan (for a woman)

Word usually written using kana alone

(as used in Northern Japan) greenling

(as used in Kochi and surrounds) medaka ricefish

Physics

nuclear fission

young man unknowing of women; male virgin

stone moroko (Pseudorasbora parva); topmouth gudgeon

Organization name

Ootani Women's University

clapper (two long pieces of wood that are clapped together; used in gagaku, etc.)

Atomic Energy Research Institute

Organization name

Ladies Professional Golfers' Association of Japan

colloidal particle

containment vessel; reactor container (nuclear reactor)

strange thing; eccentric taste; red eboshi

Palmyra palm (Borassus flabellifer); doub palm; toddy palm

communist elements

rough estimate; mental arithmetic