English Dictionary

speed

IPA（発音記号）

/spiːd/

名詞

可算名詞 不可算名詞 俗語 古語

The state of moving quickly or the capacity for rapid motion.

日本語の意味

速さ / 速度

The cyclist increased his speed on the descent to over thirty miles per hour.

そのサイクリストは下り坂で速度を上げ、時速30マイルを超えた。

意味（1）

The state of moving quickly or the capacity for rapid motion.

How does Usain Bolt run at that speed?

意味（2）

(mathematics, physics) The rate of motion or action, specifically the magnitude of the velocity; the rate distance is traversed in a given time.

Speed limits provide information to the drivers about the safe speed to travel in average conditions.

意味（3）

(photography) The sensitivity to light of film, plates or sensor.

意味（4）

(photography) The duration of exposure, the time during which a camera shutter is open (shutter speed).

意味（5）

(photography) The largest size of the lens opening at which a lens can be used.

意味（6）

(photography) The ratio of the focal length to the diameter of a photographic objective.

意味（7）

(slang, uncountable) Amphetamine or any amphetamine-based drug (especially methamphetamine) used as a stimulant, especially illegally.

意味（8）

(archaic) Luck, success, prosperity.

St. Francis be my ſpeed, how oft to night / Haue my old feet ſtumbled at graues?

意味（9）

(slang) Personal preference.

We could go to the shore next week, or somewhere else if that's not your speed.

意味（10）

(finance, uncountable) A third-order measure of derivative price sensitivity, expressed as the rate of change of gamma with respect to changes in the underlying asset price.

speeds （ plural ）