Describing a simple spiral that starts at a point at the origin and does not divide the plane(adjective)
Describing a section of a simple helix(adjective)
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Use "one-start" in a sentence
"But the veteran finally admitted he's unhappy with the move which the A's insist was a one-start thing."
"What seems to be the biggest whiff here is the seven-day (read: one-start) suspension for"
"He said a "one-start, one-stop" centre will be set up at the Prime Minister's Office at Government House to facilitate investors, and the centre will have personnel from different agencies to assist and support them."