amphibious operation(n = noun.act) - a military operation by both land and sea forces;
is a kind of military operation, operation
has particulars: amphibious demonstration, amphibious assault, dunkerque, dunkirk
amphibious, amphibious aircraft, amphibious assault, amphibious demonstration, amphibious landing, amphibious vehicle, arithmetic operation, asynchronous operation, auxiliary operation, binary arithmetic operation, binary operation, black operation, boolean operation, buy-and-bust operation, clandestine operation, cognitive operation, combined operation, computer operation, concurrent operation, consecutive operation, control operation, covert operation, dyadic operation, exfiltration operation, field of operation, fixed-cycle operation, floating-point operation, in operation, intelligence operation, joint operation, logic operation, logical operation, machine operation, majority operation, martyr operation, mathematical operation, matrix operation, meuse-argonne operation, military operation, monadic operation, multiplex operation, off-line operation, operation, operation code, operation desert storm, overt operation, parallel operation, peacekeeping operation, printing operation, psychological operation, purse-string operation, real-time operation, rescue operation, riot control operation, sacrifice operation, sequential operation, serial operation, sex-change operation, shirodkar's operation, simulated military operation, simultaneous operation, sting operation, surgical operation, synchronous operation, threshold operation, unary operation, undercover operation