Isomn.艾瑟姆ISOabbr.国际标准化组织(=International Standards Organization)isononane异壬烷isobutanen.异丁烷isosmoticadj.等渗压的isosafrol异黄樟醚isobrious相等发育的(用于胚)isotacticn.全同立构isotopism同位素性isomorphy同形体isophoria两眼视线等平isothymol异麝香草酚