Parker's fluid

Par·ker's fluid

noun \ˈpär-kərz-\

Definition of PARKER'S FLUID

: a mixture of 100 parts 70 percent alcohol and one part formaldehyde used for hardening and preserving tissues for microscopic study

Biographical Note for PARKER'S FLUID

Parker, George Howard (1864–1955), American zoologist. Parker was a member of Harvard's faculty in the zoological department for almost all of his long academic career.