> as lemmas
non-gravitational
non-gravitational adj. 
/ˌnɒnɡravᵻˈteɪʃən(ə)l/, /ˌnɒŋɡravᵻˈteɪʃn̩(ə)l/, /ˌnɒŋɡravᵻˈteɪʃən(ə)l/,
Brit. /ˌnɒnɡravᵻˈteɪʃn̩(ə)l/
, /ˌnɒnɡravᵻˈteɪʃn̩(ə)l//ˌnɒnɡravᵻˈteɪʃən(ə)l//ˌnɒŋɡravᵻˈteɪʃn̩(ə)l//ˌnɒŋɡravᵻˈteɪʃən(ə)l/U.S. /ˌnɑnˌɡrævəˈteɪʃ(ə)nəl/
/ˌnɑnˌɡrævəˈteɪʃ(ə)nəl/ΚΠ
1902 Science 7 Mar. 391/1 The recent views advanced by Lord Kelvin that the ether is imponderable or non-gravitational matter.
1992 S. P. Maran Astron. & Astrophysics Encycl. 33/1 The number of bodies in each class increases with decreasing size, until nongravitational forces (e.g., Poynting–Robertson drag, Yarkovsky effect) begin to significantly deplete the population.
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as lemmas
- not to know someone from a bar of soap
- not to know someone from adam
- not to know someone from eve
- not to know something from shinola
- not to know the first thing about
- not to know the half of it
- not to know what hit one
- not to know what to do with oneself
- not to know when one is well off
- not to know where to put oneself
- not to know whether one is arthur or martha
- not to know whether one is coming or going
- not to know whether one is on one's head or one's heels
- not to know whether to laugh or cry
- not to know whether to shit or go blind
- not to know which way to look
- not to know which way to turn
- not to know which way to turn oneself
- not to know which where to look
- not to know —— from shit
- not to lain
- not to lift a finger
- not to look at
- not to look at a person
- not to look back