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Definition of Photopositive
1. Adjective. (biology) having a positive phototropic or phototactic response; attracted by light ¹
¹ Source: wiktionary.com
Definition of Photopositive
1. [adj]
Lexicographical Neighbors of Photopositive
Literary usage of Photopositive
Below you will find example usage of this term as found in modern and/or classical literature:
1. Scientific papers of the Bureau of Standards by United States National Bureau of Standards (1922)
"At low temperatures the photonegative reaction disappears and 90 per cent of the
photopositive reaction occurs during the first few seconds, ..."
2. A New Cadmium-vapor Arc Lamp by Frederick John Bates (1921)
"As the voltage was increased the photopositive reaction on exposure and the
photonegative effect on shutting off ..."
3. Design, Operation and Training Manual for an Intensive Culture Shrimp Hatchery by Granvil D. Treece, Joe M. Fox (1999)
"Nauplii should be active, photopositive (swim to the light), free of debris or
bacteria, and setae or legs should be well developed with nò deformities, ..."
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