spad

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Phrase

1. {{lb|en|rail transport|UK}} {{init of|en|signal passed at danger}}.

Noun

1. {{lb|en|rail transport|UK}} An instance of a [[signal]] [[pass]]ed at [[danger]].
2. {{lb|en|UK politics|informal}} {{alt form|en|spad||special advisor in government}}.
3. {{lb|en|plant science}} A relative measurement of the amount of [[chlorophyll]] present in a leaf, based on measurements with a SPAD meter produced by {{w|Minolta}}.
4. {{lb|en|military}} {{initialism of|en|[[self-propelled]] [[air]] [[defense]]}}; a self-propelled [[anti-aircraft]] [[vehicle]].

Verb

1. {{lb|en|rail transport|UK}} To [[pass]] a [[signal]] at [[danger]].

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