粵典 (words.hk)Hong KongWord
將光線分散嘅#透鏡（量詞：塊） (concave lens; diverging lens)
名詞Examples
近視眼鏡係用凹透鏡嘅。
gan6 si6 ngaan5 geng3 hai6 jung6 nap1 tau3 geng3 ge3.
The glasses for short-sighted people is made of concave lens.
凹透鏡
nap1 tau3 geng3included in 2 dictionaries
nap1 tau3 geng3
· included in 2 dictionaries粵典 (words.hk)Hong KongWord
將光線分散嘅#透鏡（量詞：塊） (concave lens; diverging lens)
名詞Examples
近視眼鏡係用凹透鏡嘅。
gan6 si6 ngaan5 geng3 hai6 jung6 nap1 tau3 geng3 ge3.
The glasses for short-sighted people is made of concave lens.
維基辭典YueWord
Original phonetic: /nɐp̚⁵ tʰɐu̯³³ kɛːŋ³³/
concave lens