diameter是什麼意思 diameter的用法 diameter怎麼讀

diameter

英 [daɪ'æmɪtə]美 [daɪ'æmɪtɚ]

n. 直徑

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中文詞源

diameter 直徑

dia-, 穿過。-meter, 測量。用於數學名詞直徑。

英語詞源

diameter (n.)

late 14c., from Old French diametre

, from Latin diametrus, from Greek diametros (gramme) "diagonal of a circle," from dia- "across, through" (see dia-) + metron "a measure" (see meter (n.2)).

權威例句

1. This hole was a scant .23 inches in diameter.

這個洞眼的直徑只有0.23英寸。

2. the diameter of a tree trunk

樹幹的直徑

3. A diameter passes through the center of a circle.

直徑從圓心穿過.

4. The diameter and the circumference of a circle correlate.

圓的直徑與圓周有相互關係.

5. The axis of a circle is its diameter.

圓的軸線是其直徑.

[ diameter 造句 ]