quadrantal
Upper-Intermediate (B2)
IPA: /kwɒˈdræntəl/
KK: /kwɑˈdræntəl/
adjective
Definition
Relating to a quarter of a circle or a quadrant, often used in geometry or mathematics.
Example
The quadrantal angles are important in trigonometry for defining the sine and cosine functions.
Conversation
Did you see that quadrantal design on the new app?
Yeah, I thought it was really cool and unique!
I love how it divides the screen into four parts; it's so creative.
Absolutely! It makes the interface feel fresh and organized.
Synonyms & Antonyms
Synonyms
quarter
fourth
sectional
Antonyms
whole
entire
complete
noun
Definition
A type of cube or a cubical container that holds a specific volume, often used in measurements.
Example
The ancient Romans used a quadrantal to measure their goods accurately.
Conversation
Have you ever seen a quadrantal used in an old documentary about Roman architecture?
No, I haven't, but it sounds interesting!
They used quadrantals as measuring tools for their buildings.
Root Explanation
Quadrantal → It is formed from "quadra" (from Latin "quadratus", meaning square) and "-al" (meaning pertaining to). The word "quadrantal" refers to something that is related to or shaped like a square.
Memory Tip
Think of the Latin word for square, 'quadratus', to remember that 'quadrantal' relates to something square-shaped.
Visually Confused Words
biquadrantal
triquadrantal