MYELOID Meaning of MYELOID in English [ 'mʌɪəlɔɪd ]■ adjective1》 relating to bone marrow. 2》 relating to the spinal cord.OriginC19: from Gk muelos 'marrow' + -oid . Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004