diameter
US: /daɪˈæmətɝ/
UK: /daɪˈæmɪtɐ/
UK: /daɪˈæmɪtɐ/
English Vietnamese dictionary
diameter /dai'æmitə/
- danh từ
- (toán học) đường kính
- số phóng to (của thấu kính...)
- lens magnifying 20 diameters: thấu kính phóng to 20 lần
Advanced English dictionary
+ noun
1 a straight line going from one side of a circle or any other round object to the other side, passing through the centre
Compare: RADIUS: the diameter of a tree trunk + The dome is 42.3 metres in diameter.
2 (technical) a measurement of the power of an instrument to MAGNIFY sth: a lens magnifying 300 diameters (= making sth look 300 times larger than it really is).
Collocation dictionary
ADJ.
inside, internal
The tubes have an internal diameter of 2mm.
| external, outside | large, small
VERB + DIAMETER
calculate, find, measure
He used similar triangles to calculate the diameter of the earth.
| have
PREP.
in ~
The mirror is 25cm in diameter.
Concise English dictionary
diametersdaɪ'æmɪtə
noun
+the length of a straight line passing through the center of a circle and connecting two points on the circumference
+a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
