柯林斯詞典angstrom /???str?m, -str?m/ 1. N a unit of length equal to 10–10 metre, used principally to express the wavelengths of electromagnetic radiations. It is equivalent to 0.1 nanometre 埃; 一億分之一厘米,用作測量波長的單位、代號 (Also called angstrom unit symbol: ?, symbol: A) 返回 angstrom