クロミウムMeanings1nounchromium (Cr)Chemical element, atomic number 24. Often referred to as クロム in Japanese, but クロミウム is also used, especially in scientific contexts.See also: クロムクロミウムはステンレス鋼こうの重じゅう要ような成せい分ぶんです。Chromium is an important component of stainless steel.