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孤立電子対 (koritsudenshitsui) Japanese meaning | Kotomora

孤こ立りつ電でん子し対つい

こ

り

つ

で

ん

し

つ

い

Meanings

1

lone pair; nonbonding electron pair

Chemistry term for a pair of valence electrons not shared with another atom. Used in discussions of molecular geometry and Lewis structures.

水すい分ぶん子しの酸さん素そ原げん子しには二ふたつの孤こ立りつ電でん子し対

つい

が

ある

。

The oxygen atom in a water molecule has two lone pairs.

孤こ立りつ電でん子し対ついは分ぶん子しの形かたちに影えい響きょうを与あたえる。

Lone pairs affect the shape of a molecule.

Kanji

孤orphan, alone
立stand up, rise, set up
電electricity
子child, sign of the rat, 11PM-1AM
対vis-a-vis, opposite, even

Related words

非ひ共きょう有ゆう電でん子し対つい
Synonym for 孤立電子対; both mean 'lone pair' in chemistry. 非共有電子対 is slightly more formal and descriptive ('non-shared electron pair').
結けつ合ごう電でん子し対つい
Bonding electron pair, the opposite of a lone pair; electrons shared between atoms.

Built from

孤こ立りつ+電でん子

Etymology

Compound of 孤立 (isolated) + 電子 (electron) + 対 (pair). A calque from English 'lone pair', used in chemistry.

し

対つい