(derogatory, offensive, Internet slang) South Korea

(slang) 3D jobs

(slang) a job that is hard, has long hours, and doesn't pay well

(obsolete) Synonym of ビオチン (biochin, “biotin”); vitamin H

Short for チャットH.

cybersex

老人医学: geriatrics

(real estate) A house, apartment, etc. with a living room and either an eat-in kitchen or (less commonly) a kitchen and a dining room.

(2channel slang) repeating something for the n-th time

(genetics, biochemistry) Synonym of リボ核酸 (ribo-kakusan, “ribonucleic acid”); RNA