steplessadj.
/ˈstɛplɪs/ 1. Having no step or steps.
ΘΚΠ
society > travel > means of travel > route or way > other means of passage or access > [adjective] > provided with or full of steps > having no steps
stepless1827
1827 G. Darley Sylvia 20 You might as well climb the stepless air and catch that voice..as overtake my Sylvia.
2. Continuously variable; capable of being given any value within a certain range.
ΘΚΠ
the world > relative properties > relationship > variety > [adjective] > varying or unequal in extent, duration, etc. > continuously variable
stepless1969
1969 Jane's Freight Containers 1968–9 23 adv. Speed control is through the Wessex Carbon Pile, providing smooth, stepless acceleration.
1971 Engineering Apr. 111/2 (advt.) This equipment provides stepless current adjustment over the full range of the..generator.
1973 Physics Bull. Feb. 110/1 The instruments in this range produce stepless dc voltage outputs.
1978 Amateur Photographer 2 Aug. 6/2 Stepless shutter speed range of 1/1000th to 4 seconds + B.
Derivatives
ˈsteplessly adv.
ΘΚΠ
the world > relative properties > relationship > variety > [adverb] > in a manner of continuous variability
steplessly1958
1958 Times Rev. Industry Oct. 67/3 The rate of travel..can be varied steplessly by a knob on the body.
1977 Design Engin. July 73/2 Frequency and amplitude can be steplessly varied during operation.
This entry has not yet been fully updated (first published 1916; most recently modified version published online March 2018).
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adj.1827