What (who) is deficient - definition
SPECIES THAT VIOLATE THE OCTET RULE BECAUSE THEY HAVE TOO FEW VALENCE ELECTRONS AND SPECIES THAT HAPPEN TO FOLLOW THE OCTET RULE BUT HAVE ELECTRON-ACCEPTOR PROPERTIES, FORMING DONOR-ACCEPTOR CHARGE-TRANSFER SALTS
Electron deficient; Electron-deficient; Electron-deficient compound
deficient
[d?'f??(?)nt]
¦ adjective not having enough of a specified quality or ingredient: a diet deficient in vitamin B.
?insufficient or inadequate.
Derivatives
deficiently adverb
Origin
C16: from L. deficient-, deficere (see defect1).
deficient
adj. deficient in
deficient
1.
If someone or something is deficient in a particular thing, they do not have the full amount of it that they need in order to function normally or work properly. (FORMAL)
...a diet deficient in vitamin B.
= lacking
ADJ: usu v-link ADJ, usu ADJ in n
•
Deficient is also a combining form.
Vegetarians can become iron-deficient.
COMB in ADJ
2.
Someone or something that is deficient is not good enough for a particular purpose. (FORMAL)
...deficient landing systems.
= inadequate
ADJ
Wikipedia
Electron deficiency
Electron deficiency (and electron-deficient) is jargon that is used in two contexts: species that violate the octet rule because they have too few valence electrons and species that happen to follow the octet rule but have electron-acceptor properties, forming donor-acceptor charge-transfer salts.
Pronunciation examples for deficient
1. deficient.
Joel Kahn _ Talks at Google
2. conducting a deficient search.
Failure by Design _ Ryan Noah Shapiro _ Talks at Google
3. are mentally deficient.
ted-talks_2072_JimHolt_2014-320k
4. deficient in some vitamin.
Dr. Cassandra Coburn _ Enough _ Talks at Google
5. that we are deficient.
Choose Happiness _ Gelong Thubten _ Talks at Google
Examples of use of deficient
1. "We think it is a deficient draft and a deficient constitution," Mr Mahdi said.
2. He denies misconduct and deficient professional performance.
3. Organization is overly bureaucratic, discipline is deficient.
4. Greece‘s national road network is deficient and badly maintained.
5. "Excessive reliance" on agency or locum staff and deficient management.