achromatic
adj.
1766, from Latinized form of Greek akhromatos "colorless," from a-, privative prefix (see a-(3)), + khromat-, comb. form of khroma "color" (see chroma) + -ic.
〔李〕[a-;chromat;-ica.] a.非彩色的，消色差的 ←chrom,chromat (GK chroma)=colour 色
〔李〕[a-;chromat;-ica.] a.非彩色的，消色差的 ←chrom,chromat (GK chroma)=colour 色