. . . . . "interval"@en-us . . . . "time interval"@en-us . . "114405616"@en-us . . "0"^^ . . "a definite length of time marked off by two instants"@en-us . "time interval"^^ . "0.5"^^ . . . . . "115269513"^^ . . . . . "15269513-n"^^ . .