English Dictionary

thin space

名詞

(letterpress typography) A metal block used to separate words, one fifth of an em in width. / (typography) In digital text, a character representing a thin space.

日本語の意味

（レタープレス組版の場合）単語区切りに使用される金属製ブロックで、幅はエムの5分の1に相当する。 / （デジタル組版の場合）細いスペースを表す文字。

The printer carefully slipped a thin space (a metal block one-fifth of an em in width) between the words to correct the letterpress proof.

印刷工は活版の校正を直すため、語と語の間に幅が1/5エムの金属ブロックを注意深く差し入れた。

意味（1）

(letterpress typography) A metal block used to separate words, one fifth of an em in width.

If it be only a Single Letter or two that drops, he thruſts the end of his Bodkin between every Letter of that Word, till he comes to a Space: and then perhaps by forcing thoſe Letters closer, he may have room to put in another Space or a Thin Space; which if he cannot do, and he finds the Space ſtand Looſe in the Form; he with the Point of his Bodkin picks the Space up and bows it a little; which bowing makes the Letters on each ſide of the Space keep their parallel diſtance; for by its Spring it thruſts the Letters that were cloſed with the end of the Bodkin to their adjunct Letters, that needed no cloſing.

意味（2）

(typography) In digital text, a character representing a thin space.

All you may see on the keyboard is a space bar, but typographers use several invisible characters: the word space, fixed spaces of various sizes (em space, en space, thin space, figure space, etc) and a hard space or no-break space.

thin spaces （ plural ）