nəˈkrā adjective
also na·cre ˈnākə(r)
Etymology: French nacré, from nacre, n.
: resembling nacre especially in pearly iridescent luster: as
a. of a fabric : having a changeable iridescent luster produced usually by use of a warp of one color and a filling of another
nacré taffeta
b. of a plant sieve element : having a thickened hydrated wall that appears pearly in section