体外(たいがい)

たいがい
noun, no-adjective
outside the body; extracorporeal
medicalhealth
1. outside the body; extracorporeal; external to the body
Referring to something that occurs or exists outside the body. Used primarily in medical and biological contexts.
体外(たいがい)受精(じゅせい)で子供(こども)を授(さず)かった。
They conceived a child through in vitro fertilization.
薬(くすり)の体外(たいがい)への排出(はいしゅつ)には時間(じかん)がかかる。
It takes time for the drug to be expelled from the body.
体外(たいがい)式(しき)除細動器(じょさいどうき)はAEDとも呼(よ)ばれ、公共(こうきょう)施設(しせつ)に設置(せっち)されている。
External defibrillators, also called AEDs, are installed in public facilities.

体(たい) (body) + 外(がい) (outside). A medical and biological word; the opposite is 体内(たいない) (inside the body).

Common collocations

Cultural note

体外(たいがい)受精(じゅせい) is much discussed in Japan's debate over the falling birth rate; since 2022 it has been covered by public health insurance, within age and cycle limits.

Watch out

The homophone 大概(たいがい) (mostly, generally; within limits) is far more common in conversation.

Related Words

Antonym: 体内(たいない) (inside the body)
general
Added 2026.3.24 23:02 · Revised 2026.9.30 18:13
19000/19203_taigai