Word
温室
Meaning in Englishgreenhouse
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Word context
What it means
温室 means a greenhouse: a glass-covered structure used for cultivating plants in a controlled climate, where temperature, humidity, and light are managed to optimize growth.
Main meanings
- Primary sense as a glass-covered structure for plant cultivation in controlled environments
- Found in compounds such as 温室栽培 (onshitsu saibai) and 温室効果 (onshitsu kōka) to denote cultivation methods and the greenhouse effect respectively
How to use it
Used in formal contexts such as agriculture, horticulture, architecture, and scientific writing; in everyday language it refers to a real greenhouse at a farm or garden; common phrases include 温室栽培 and 温室の設備.
Variants and close terms
- ハウス (hausu) — loanword commonly used as a synonym for greenhouse
- ガラス温室 (garasu onshitsu) — glass greenhouse variant
- 露地栽培 (roji saibai) — open-field cultivation, often contrasted with greenhouse methods
Composition
- 温: warmth, heat
- 室: room
- Overall: a room kept warm, typically with glass panels to trap heat for plant growth
Etymology
温 (オン) + 室 (シツ) form a Sino-Japanese compound; the reading onshitsu reflects the on'yomi combination rather than a native wording.
Word class
Noun (名詞)
Word
Related words by kanji and components
N1
生温い
namanurui
lukewarm, halfhearted
N1
温和
onwa
gentle, mild, moderate
N1
保温
hoon
retaining warmth, keeping heat in, heat insulation
N1
浴室
yokushitsu
bathroom, bath
N1
控室
hikaeshitsu
waiting room
N2
～室
～shitsu
counter for room
N2
温泉
onsen
spa, hot spring
N2
温帯
ontai
temperate zone
N2
室～
shitsu～
room
Kanji