scheiner speed

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. The [[speed]] (expressed in [[degree]]s) of a [[plate]] used for [[astronomical]] [[photography]], rated by the least [[exposure]] required to produce a [[visible]] [[darkening]] upon [[development]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.