LCA

plural LCAs

1. abbreviationcountableinitialismbusinessInitialism of logic cell array.
2. abbreviationcountableinitialismaeronauticsInitialism of large commercial aircraft.
3. abbreviationcountableinitialismbiologyInitialism of last common ancestor.

   Against the backdrop of these global and local climatic changes, the LCA of African apes and humans split into a gorilline clade and Pan-Homo clade, and the latter split again into panin and hominin clades.

   2012, David R. Begun, A Companion to Paleoanthropology

4. abbreviationinitialismuncountablemedicineInitialism of Leber congenital amaurosis.
5. abbreviationcountableinitialismuncountablemedicineInitialism of Leucocyte common antigen.
6. abbreviationcountableinitialismuncountableInitialism of left coronary artery.