redcurrant (ˈrɛdˈkʌrənt) n 1. (Plants) a N temperate shrub, Ribes rubrum, having greenish flowers and small edible rounded red berries: family Grossulariaceae 2. (Plants) a. the fruit of this shrub b. (as modifier): redcurrant jelly.
un·der·ex·pose (ŭn′dər-ĭk-spōz′) tr.v. un·der·ex·posed, un·der·ex·pos·ing, un·der·ex·pos·es To expose (film) to light for too short a time or to light or radiation that is insufficient to produce normal image contrast.
mineral wool n. An inorganic fibrous substance that is produced by steam blasting and cooling molten glass or a similar substance and is used as an insulator and a filtering material. Also called rock wool.