moiety: meaning, definition, pronunciation and examples
C2+ (Very low frequency / learned)Formal, technical (legal, anthropological, scientific), literary
Quick answer
What does “moiety” mean?
Each of two parts into which something is or can be divided.
Audio
Pronunciation
Definition
Meaning and Definition
Each of two parts into which something is or can be divided; a half.
A part or portion, especially a lesser or undivided share. In law, a half of property or inheritance; in anthropology, each of two social or ritual groups into which a people is divided.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning. Used primarily in identical formal/technical registers in both varieties.
Connotations
Formal, archaic, or technical in both varieties. In everyday language, sounds pretentious.
Frequency
Extremely rare in general discourse in both BrE and AmE. Slightly more likely in legal/anthropological texts.
Grammar
How to Use “moiety” in a Sentence
[a/the] + moiety + of + NOUNbe + divided + into + moietiesinherit + a + moietyVocabulary
Collocations
Usage
Meaning in Context
Business
Virtually never used. If used, in very formal partnership/ownership agreements (e.g., 'each partner holds a moiety').
Academic
Used in anthropology (kinship, social structure), law (inheritance), chemistry (describing parts of a molecule), and formal history/literature.
Everyday
Extremely rare. Would sound oddly formal or archaic.
Technical
Primary domain. Specific meanings in law (half an estate), anthropology (one of two kinship groups), chemistry (a distinct part of a molecule).
Watch out
Common Mistakes When Using “moiety”
- Using it as a general synonym for 'a small part' (its core is 'half', not 'bit').
- Misspelling: 'moity', 'moeity'.
- Using it in informal contexts where 'part' or 'share' is appropriate.
FAQ
Frequently Asked Questions
No. While it can mean a part, its core meaning is 'one of two (especially equal) parts'. Using it as a general synonym for 'part' is often incorrect and always very formal.
This is a common misconception. Its primary meaning is 'half'. It can mean a portion, but the emphasis is on it being one of two divisions, not necessarily on its small size (e.g., you could have the 'greater moiety').
Most likely in academic texts for anthropology (describing kinship systems), legal documents (inheritance law), or scientific papers (chemistry, biology). It is very rare in news, business, or conversation.
The plural is 'moieties' (pronounced /ˈmɔɪ.ə.tiz/).
Each of two parts into which something is or can be divided.
Moiety is usually formal, technical (legal, anthropological, scientific), literary in register.
Moiety: in British English it is pronounced /ˈmɔɪ.ə.ti/, and in American English it is pronounced /ˈmɔɪ.ə.t̬i/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “"A moiety of truth" (archaic/literary: a small part of the truth).”
Learning
Memory Aids
Mnemonic
Think of 'MOI-E-TY' as 'My half-ity' – a fancy word for 'my half' or portion.
Conceptual Metaphor
OBJECT DIVIDED INTO TWO PARTS (The whole is a container split into two complementary parts).
Practice
Quiz
In which context is 'moiety' most appropriately used?