直

Noun or verb acting prenominally; Chemistry

straight-chain; open-chain; acyclic; linear

Haplorhini (primate suborder)

Botany

orthostichy

Law

direct principal offender; direct perpetrator; principal offender in the first degree

Mineralogy

anthophyllite

Computing

bounce rate

linear motor; linear induction motor

Physics

linear polarization; linearly polarized light

Geology

orthorhombic crystal system

Linguistics; E.g. しゃ, しゅ, しょ as さ, す, そ; common in Middle Japanese literature

writing palatalized sounds with a single kana character

direct limited express

immediately; right away; at once; as soon as possible

direct death; death directly caused by an accident, disease, etc.

Anatomy

rectouterine pouch; pouch of Douglas

direct air capture (of greenhouse gases)

through traffic; straight-travelling vehicle

entering directly; going straight into

Buddhism

attaining Nirvana directly

Buddhism

one of the six administrators of a Zen temple (in charge of maintenance and groundskeeping)

Naoki Prize (literary award)

direct flight

Computing

serialization

Medicine

rectal temperature; RT

Abbreviation

direct breastfeeding (as opposed to giving expressed breast milk)