DICTIONARY OF AVIATION 161
nimbus-like 'nimb9s,laik adj. like nimbus; resembling nim- bus cloud.
nocturnal ,nek't&znl adj. of the night; done or occurring at night; activ during the nigjit: as, a *necturnal ascent.
non-dirigible ,nen'diid39-b3l adj. not dirigible; incapable of being steerd : as, a *nen?dirigible balloon.
non-gasproof ^on'gses^suuf adj. not gasproof : said of balloon>-fabrics.
non-lifting ,nen'hftir) adj. incapable of lifting or of rais- ing weight: said of balloons in which the ascensional force and the weight balance each other at the ground level, so that there is no tendency to rise spontaneously.
non-rigid ,nen'zid3id adj. net having a rigid frame; net rigid ; flexible : as, a *nen?rigid balloon ; a *nen?ngid pro- peller, compare semi-rigid.
non-soaring ,nen'so:-zirj adj. that does net soar; incapable of soaring.
non-spherical ,nen'sfezi-k9l adj. [also spelt nontsferical] net of a sferical or glebular shape; elongated, as a cigar? shaped balloon.
non-stop 'nen,step adj. made without steps ; nonstop : as, a
- nen^step flight.
norther 'ne:z-d3z n. a northerly wind, especially a strong north wind accompanied by intense cold, occurring in autumn and winter in the region of Missouri, Texas, the Gulf of Mexico, and Florida.
northern 'ne:z-6azn adj.
northern lights, the aurora borealis.
northwester ,ne:z9'west3zr n. a wind or gale blowing from the northwest; a ner'wester.
nor'wester ,nez'west3z n. a wind or gale blowing from the northwest; a northwester; also, a southerly wind in New Zealand, of the same nature as the pampero _pf South Amer- ica, and corresponding to the norther of the northern hemi- sfere ; the southerly buster.
nose iiooz n. the fore^end or projecting front part of a diri- gible balloon or airship or of any part thereof; the equa- lizer or front rudder of an aeroplane flyer.
nose-on 'nooz,en adj. occurring with the nose or front pro- jecting part of the machine directed toward or hitting against the ground or other obstacle : as, a *nose*en crash.
nose-on ,nooz'en adv. with the nose or front projecting part directed .against the obstacle : as, the aeroplane struck the ground *nose#en.
no-stop x noo,step adj. executed or carried en without steps; nen^step : as, a *no?step flight.
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