温泉【おんせん】
hot spring, onsen, hot spring resort, hot spring spa
温度【おんど】
temperature
温める【あたためる】
to warm (up), to heat (up), to sit on (an idea, plan, etc.), to keep to oneself, to nurse, to mull over, to renew (an old friendship), to take for oneself
温める【ぬくめる】
to warm (up), to heat (up)
気温【きおん】
air temperature
体温【たいおん】
temperature, body temperature (human, animal)
温暖【おんだん】
warm, mild, temperate
高温【こうおん】
high temperature
温室【おんしつ】
greenhouse, hothouse, conservatory, glasshouse
低温【ていおん】
low temperature
温まる【あたたまる】
to warm oneself, to sun oneself, to warm up, to get warm
保温【ほおん】
retaining warmth, keeping heat in, heat insulation
温帯【おんたい】
temperate zone
温和【おんわ】
mild (climate), temperate, clement, pleasant, agreeable, gentle (nature, personality, etc.), mild, quiet, pleasant, moderate (statement, measure, etc.), mild, temperate
体温計【たいおんけい】
(clinical) thermometer
温床【おんしょう】
hotbed, breeding ground
水温【すいおん】
water temperature
温存【おんぞん】
preservation, retainment, keeping
温厚【おんこう】
gentle, mild-mannered
室温【しつおん】
room temperature
