Lack
Scarcity, Deficiency
noun, verbal noun
We are lacking and things are scarce. We have a lack and scarcity of resources.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
ビタミンDが欠乏しているかどうかはどうすれば分かりますか。
How can I know if I’m deficient in Vitamin D?
野さいもフルーツも嫌いなので、ビタミン欠乏症になってしまった。
Because I don't like veggies or fruits, I became vitamin deficient.
彼女は先天的にメラニンが欠乏している、いわゆる「アルビノ」なんだよ。
She has a congenital lack of melanin, commonly known as "albinism."
お医者さんに行ったら、鉄欠乏性貧血って診断されました。
When I went to the doctor, I was diagnosed with iron deficiency anemia.