[frawst-lahyn, frost-] /ˈfrɔstˌlaɪn, ˈfrɒst-/
the maximum depth at which soil is frozen.
the lower limit of permafrost.
noun 1. the temperature of the air at which hoarfrost begins to form.
noun, Meteorology. 1. an ice fog caused by extremely cold air flowing over a body of comparatively warm water, especially in polar regions.
- Frost stud
noun 1. an antislip device fitted to a horse’s shoe Also called frost cog
- Frost suture
Frost suture n. An intermarginal suture between the eyelids to protect the cornea.