phototonus

noun

pho·​tot·​o·​nus

fōˈtätᵊnəs

: tonic condition (as of musculature) resulting from exposure to particular conditions of lighting

phototonus in plants usually results in curvature towards a source of light

Word History

Etymology

New Latin, from phot- + tonus

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Rhymes for phototonus

• coregonus
• dendroctonus
• myoclonus
• bonis
• bonus
• clonus
• conus
• cronus
• jonas
• lowness
• onus
• slowness