OXFORD DICTIONARY
flotation, n. (also floatation)
1 the process of launching or financing a commercial enterprise.
2 the separation of the components of crushed ore etc. by their different capacities to float.
3 the capacity to float.
centre of flotation the centre of gravity in a floating body.
alt. of floatation f. FLOAT, after rotation etc.
THESAURUS
flotation
coming out, curtain raiser, debut, embarkation, embarkment, first appearance, floating, inaugural address, inauguration, induction, initiation, installation, installment, introduction, issuance, issue, launching, maiden speech, opener, preliminary, stock issue, unveiling