甲

article of tortoise shell; tortoiseshell work

Proverb

one man's meat is another man's poison; one man's medicine is another man's poison

Godan verb with 'ru' ending (irregular verb)

to be worth the effort; to be worth the trouble

Physiology

thyroid-stimulating hormone; TSH; thyrotropin; thyrotrophin

cuttlebone

kisslip cuttlefish (Sepia lycidas)

common cuttlefish (Sepia officinalis)

Medicine

thyroiditis

Proverb

to each their own; different strokes for different folks; cut your coat to suit your cloth; a crab digs a hole like its own shell

gun deck (ship)

Food, cooking

tortoiseshell sauce; thickened sauce of dashi, soy, mirin, etc.

Noun or verb acting prenominally

worth doing; worthwhile; rewarding; satisfying

Kōshū (grape variety)

Noun or verb acting prenominally

shrill; high-pitched; sharp

free on board; FOB

armored recovery vehicle; armoured recovery vehicle

armored personnel carrier; armoured personnel carrier

hexagonal pattern

Physiology

parathyroid hormone; parathormone

oracle bone script

goitered gazelle (Gazella subgutturosa); black-tailed gazelle; Persian gazelle

Chinese pangolin (Manis pentadactyla)

Medicine

chronic thyroiditis; Hashimoto's disease

job satisfaction; quality of work life; reason to work

Kōshin region