Hotflue

A room heated by hot-air pipes, in which printed calicoes are dried. Hot'-headed, a . Of ardent or impetuous pa ions; impulsive; vehement; rash; hair-brained; violent; as, "hot-headed, hair-brained coxcomb." -Arbuthnot. temperature of the building from that of the lowest degree of the exterior atmosphere of this climate to that of the highest which prevails for any length of time in the country of which the plants to be introduced are natives. Moisture, to arrive at our second consideration, is more difficult to maintain in the hot-house than heat, and it is vitally nece ary to the plants that an adequate supply of it should at all times be present in the atmosphere of the building. It follows, therefore, that that mode of heating is best which admits of the greatest quantity of vapor remaining uncondensed in the atmosphere of the hot-house. Thirdly, light cannot be admitted too copiously into these structures, and the transparent medium through which it enters should be such as reflects the greatest proportion of the sun's rays, which impinge obliquely on its surface. Hot water has now superseded the old method of heating by dry flues, and by this improvement the distribution of heat can be better regulated, and the uniformity of temperature better maintained, than by any other means. Ventilation should also be provided for in hot-houses, that it may be sufficiently effective in preventing exce of IMG:content-0625.png:[blocks in formation] heat, while, at the same time, it is perfectly at command, so as to be employed, when requisite, in the most limited degree. Hot-livered, (-liv'erd,) a. Of an excitable, irascible, or choleric temperament; as, a hot - livered man. Hot'ly, adv . With heat; ardently; impetuously; vehemently; violently; as, the election was hotly contested. - Lustfully; salaciously. Hot'-mouthed, a. Headstrong; ungovernable; intractable.