source: By Yupi666 - This file has been extracted from another file: Buoyancy.jpg, CC BY-SA 3.0

1. able or apt to stay afloat or rise to the top of a liquid or gas.

浮力がある

(of a liquid or gas) able to keep something afloat:

〈液体が〉物を浮かせる, 揚力がある

e.g. buoyant water.

2. cheerful and optimistic:

〈気分が〉うきうきした; 〈人が〉立ち直りの早い, 楽天的な

e.g. the conference ended with the party in a buoyant mood.

3. (of an economy, business, or market) involving or engaged in much activity:

〈経済･株式市場などが〉上昇傾向にある

e.g. car sales were not buoyant.

buoyantly |ˈboiəntlē, ˈbo͞oyəntlē| adverb

late 16th century: from French bouyant or Spanish boyante, present participle of boyar ‘to float’ (see buoy).