Crossword Clue:

having only one valve

Answer	Crossword Clue
UNARY	Having only one component
UNIVOCAL	Having one meaning only.
ADHOC	Having only one purpose

MONOPODE	Having only one foot.
UNI	Having one only: Comb. form.
LINEAR	Having length only.
SCALAR	Having only magnitude
SCALAR	Having magnitude only
ONED	Having only length
ONED	Having only length, briefly
NOWIN	Having only unfavorable outcomes

TWOD	Having only length and width
LOWRISE	Having only a few floors
MONO	Having only a single channel
SCALAR	Having only magnitude, but no direction
TWOD	Having length and width only, briefly
ISSUANT	Having only the forepart visible, in heraldry
ISSUANT	Having only the upper part showing, as a heraldic beast
ISSUANT	Having only the forepart visible, as a beast in heraldry