English Dictionary

datum

IPA（発音記号）

/ˈdeɪtəm/

名詞

古風 活用形 単数形 複数形

(dated) Singular of data; a single recorded observation. / (plural: data) (philosophy) A fact known from direct observation. / (plural: data) (philosophy) A premise from which conclusions are drawn.

日本語の意味

単一の記録された観測値 / 直接観察によって得られた事実 / 結論が導かれるための前提

The scientist considered each datum carefully before drawing conclusions.

科学者は結論を導く前に各データポイントを慎重に検討した。

意味（1）

(dated) Singular of data; a single recorded observation.

意味（2）

(plural: data) (philosophy) A fact known from direct observation.

意味（3）

(plural: data) (philosophy) A premise from which conclusions are drawn.

意味（4）

(plural: datums) (cartography, surveying, engineering) A fixed reference point or set of reference points which precisely define a system of measurement or a coordinate system.

In a strict sense, a tidal datum can be understood as the reference plane (or surface) to which the height of a predicted tide is referred.[…]Sounding and chart datums are low water datums, that is, they refer to the level of the water surface at low tide. Nonetheless, there are also datums based on high water levels.[…]These two different datums may be included in the broader category of vertical datums, which comprises any plane or surface used as a reference to measure vertical distances (such as depths, drying features, heights on shore, etc.).

意味（5）

(plural: datums) (nautical) A floating reference point, or SLDMB, used to evaluate surface currents in a body of water. Often employed by coastal search and rescue.

data （ plural ）

datums （ plural ）