indoor

[ in-dawr, -dohr ]

/ ˈɪnˌdɔr, -ˌdoʊr /

occurring, used, etc., in a house or building, rather than out of doors: indoor games.

Origin of indoor

1705–15; aphetic variant of within-door, orig. phrase within ( the) door, i.e., inside the house

To put that into perspective, indoor lighting is about 100 lux, while a bright, sunny day can hit 50,000 lux or more.

Fight Seasonal Affective Disorder With This New Tracker |DailyBurn |November 7, 2014 |DAILY BEAST
We lived in a tiny trailer that my mother had bought back in 1969, a trailer without running water or indoor plumbing.

An Author at Home in Lonely Landscapes |Letitia Trent |July 11, 2014 |DAILY BEAST
Yet despite the increased risks, use of indoor tanning beds among teenagers remains widespread.

Wake Up, Parents: Letting Your Kid Tan Is Like Letting Them Smoke |Russell Saunders |June 24, 2014 |DAILY BEAST
Harry, met about 25 wounded soldiers hoping to compete in the wheelchair rugby, cycling and indoor rowing events.

Harry Supports Wounded Soldier Games |Tom Sykes |April 29, 2014 |DAILY BEAST

Harvesting is continual and despite the cold local winters at headquarters, the food stays warm in the indoor fields.

America’s Next Agricultural Revolution Will Happen Indoors |Sarah Kunst |April 26, 2014 |DAILY BEAST
There should be some indoor way of getting into the cellar, as by a stairway from the building above it.

Mushrooms: how to grow them |William Falconer
When indoor work becomes irksome go out of doors, try a walk.

The Eugenic Marriage, Vol. 3 (of 4) |W. Grant Hague
Besides, his muscles and above all his hands were pitifully soft after an indoor winter and his fortnight of vegetating.

Rough-Hewn |Dorothy Canfield
There was more bathing because private homes in towns now had indoor baths.

Our Legal Heritage, 5th Ed. |S. A. Reilly
He himself had been in Mr. Knopf's employ over fifteen years, and was his only indoor servant.

The Old Man in the Corner |Baroness Orczy

indoor

/ (ˈɪnˌdɔː) /

of, situated in, or appropriate to the inside of a house or other building an indoor tennis court; indoor amusements