wet-and-dry-bulb thermometer

thermometer

(ther-mom'et-er) [ thermo- + -meter] An instrument for indicating the degree of heat or cold. thermometric (ther?mo-me'trik), adjective See: tables

alcohol thermometer

A thermometer containing alcohol.

Celsius thermometer

See: Celsius, Anders*Also called Centigrade.

	Celsius*	Fahrenheit
Boiling point of water	100°	212°
	90	194
	80	176
	70	158
	60	140
	50	122
	40	104
Body temperature	37°	98.6°
	30	86
	20	68
	10	50
Freezing point of water	0°	32°
	-10	14
	-20	-4

Conversion:Fahrenheit to Celsius: Subtract 32 and multiply by 5/9. Celsius to Fahrenheit: Multiply by 9/5 and add 32.

C°	F°	C°	F°	C°	F°	C°	F°
0	32	27	80.6	54	129.2	81	177.8
1	33.8	28	82.4	55	131	82	179.6
2	35.6	29	84.2	56	132.8	83	181.4
3	37.4	30	86.0	57	134.6	84	183.2
4	39.2	31	87.8	58	136.4	85	185
5	41	32	89.6	59	138.2	86	186.8
6	42.8	33	91.4	60	140	87	188.6
7	44.6	34	93.2	61	141.8	88	190.4
8	46.4	35	95	62	143.6	89	192.2
9	48.2	36	96.8	63	145.4	90	194
10	50	37	98.6	64	147.2	91	195.8
11	51.8	38	100.4	65	149	92	197.6
12	53.6	39	102.2	66	150.8	93	199.4
13	55.4	40	104	67	152.6	94	201.2
14	57.2	41	105.8	68	154.4	95	203
15	59	42	107.6	69	156.2	96	204.8
16	60.8	43	109.4	70	158	97	206.6
17	62.6	44	111.2	71	159.8	98	208.4
18	64.4	45	113	72	161.6	99	210.2
19	66.2	46	114.8	73	163.4	100	212
20	68	47	116.6	74	165.2
21	69.8	48	118.4	75	167
22	71.6	49	120.2	76	168.8
23	73.4	50	122	77	170.6
24	75.2	51	123.8	78	172.4
25	77	52	125.6	79	174.2
26	78.8	53	127.4	80	176

centigrade thermometer

Celsius thermometer. See: Celsius, Anders

clinical thermometer

A thermometer for measuring the body temperature. See: clinical thermometry

differential thermometer

A thermometer recording slight variations of temperature.

Fahrenheit thermometer

See: Fahrenheit, Daniel Gabriel

gas thermometer

A thermometer filled with gas, such as air, helium, or oxygen.

Kelvin thermometer

See: Kelvin, Lord

mercury thermometer

A thermometer containing mercury for measurement of temperature. Mercury thermometers are seldom employed because they are an important source of heavy metal pollution of rivers, streams, and aquatic life.

recording thermometer

A device with a suitable sensor that continuously monitors and records temperature.

rectal thermometer

A thermometer with a round bulb that is inserted into the rectum for determining body temperature.

self-registering thermometer

A thermometer recording variations of temperature.

spirit thermometer

A thermometer filled with alcohol for registering low temperatures.

surface thermometer

A thermometer for indicating the temperature of the body's surface. Used, for example, in infant warmers.

tympanic thermometer

A thermometer that determines the temperature electronically by measuring it from the tympanic membrane of the ear. See: ear thermometry; temperature, tympanic

wet-and-dry-bulb thermometer

Psychrometer.