also: いちせいめん
noun
innovation; new vista; new field
Refers to opening up a new aspect, perspective, or area of activity; often used in phrases like 一生面を開く (to break new ground). Somewhat literary and not an everyday word.
彼の研究はこの分野に一生面を開いた。
His research opened up a new vista in this field.
Rare kanji spelling; the word is typically encountered in written, somewhat formal contexts. The reading いっせいめん is more common than いちせいめん.
Alternate reading; less common than いっせいめん.
革新 is the common word for 'innovation' or 'reform', used in everyday and technical contexts. 一生面 is more literary and emphasizes the opening of a new dimension or perspective.
新局面 means 'new phase' or 'new stage' in a situation, while 一生面 implies a more fundamental opening of a new field or vista.
Compound of 一 (one, a) and 生面 (new face/aspect). The exact historical derivation is uncertain; the word is used to express the idea of a single new aspect or opening.