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

1.
daya apung, kemampuan mengapung
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 kapal yang sangat baik membuatnya tetap mengapung bahkan di laut yang bergelombang.
•
Helium balloons demonstrate the principle of buoyancy.
Balon helium menunjukkan prinsip daya apung.
2.
semangat, optimisme, keceriaan
an optimistic and cheerful disposition
:
•
Despite the setbacks, her natural buoyancy helped her stay positive.
Meskipun ada kemunduran, semangat alaminya membantunya tetap positif.
•
His buoyancy in the face of adversity was truly inspiring.
Semangatnya dalam menghadapi kesulitan sungguh menginspirasi.