感知器(かんちき) かんちき noun detector; sensor technicaltooltechnology 1. detector; sensor (esp. for fire, smoke, heat) A device that detects smoke, heat, gas, motion or similar and triggers an alarm or signal. 火災(かさい)感知器(かんちき)が鳴(な)った。 The fire detector went off. 天井(てんじょう)に煙(けむり)感知器(かんちき)がある。 There is a smoke detector on the ceiling. 料理(りょうり)の湯気(ゆげ)で感知器(かんちき)が反応(はんのう)し、建物(たてもの)中(じゅう)に警報(けいほう)が響(ひび)いた。 Steam from cooking set off the detector, and an alarm rang through the building. A technical and safety-notice word, especially in fire prevention (消防(しょうぼう)). In homes the alarm unit is usually called 住宅用(じゅうたくよう)火災(かさい)警報器(けいほうき).Common collocations火災(かさい)感知器(かんちき): fire detector煙(けむり)感知器(かんちき): smoke detector熱(ねつ)感知器(かんちき): heat detector感知器(かんちき)が作動(さどう)する: the detector is triggeredSimilar wordsセンサー: sensor; the everyday word for any sensing device探知機(たんちき): a detector for finding hidden things (金属(きんぞく)探知機(たんちき), metal detector)警報器(けいほうき): an alarm Related Words Compare: センサー (sensor) Compare: 探知機(たんちき) (a detector for finding hidden things) general Added 2026.10.14 21:22 · Revised 2026.10.14 21:25 32000/32029_kanchiki