adrenocorticotropic hormone; adrenocorticotrophic hormone; ACTH
fluorescent dye; fluorescent pigment; fluorochrome
lip reading (esp. in context of deaf people); lipreading; speech reading; speechreading
optic chiasma; optic chiasm
little four winds; winning hand consisting of three kongs or pungs of winds and a pair of the fourth wind
departure; getting out; going away; getting away; leaving
pure straight; winning hand containing nine consecutive tiles of the same suit (i.e. 1-9) as three chows
pure double chow; winning hand containing two identical chows (i.e. same numbers and same suit)
mannitol (artificial sweetener)
having only tiles of one suit and not having called any tiles (meld); having only tiles of one suit and a concealed hand
winning hand with at least one terminal tile in each set and no honor tiles
running quickly; fleeing; doing as one likes
near infrared ray; near infrared radiation
epidural anaesthesia; epidural anesthesia
sign-language interpreting; sign-language interpreter
lying down (of body); reclining position; decubitus
win worth 24000 points (or, if dealer, 36000 points)
hospital bed not fully covered by national health insurance; hospital bed incurring an extra charge
all simples; winning hand containing no terminal tiles or honor tiles
having no end tiles or honor tiles and pinfu (common pair of melds)
notochord (rudimentary spinal cord)
rational; rational (number or function)