buoyancy
US /ˈbɔɪ.ən.si/
UK /ˈbɔɪ.ən.si/

1.
daya apung, kebolehan terapung
the ability or tendency of something to float in water or other liquid or in the air
:
•
The boat's excellent buoyancy kept it afloat even in rough seas.
Daya apung bot yang sangat baik membolehkannya terapung walaupun dalam laut bergelora.
•
Helium balloons demonstrate the principle of buoyancy.
Belon helium menunjukkan prinsip daya apung.
2.
semangat, optimisme, keceriaan
an optimistic and cheerful disposition
:
•
Despite the setbacks, her natural buoyancy helped her stay positive.
Walaupun menghadapi halangan, semangat semula jadinya membantunya kekal positif.
•
His buoyancy in the face of adversity was truly inspiring.
Semangatnya dalam menghadapi kesukaran benar-benar menginspirasi.