Word Meanings - ACTINOMETER - Book Publishers vocabulary database

An instrument for measuring the direct heating power of the sun's rays. An instrument for measuring the actinic effect of rays of light.

Related words: (words related to ACTINOMETER)

• DIRECT CURRENT
  A current flowing in one direction only; -- distinguished from alternating current. When steady and not pulsating a direct current is often called a continuous current. A direct induced current, or momentary current of the same direction as the
• LIGHT
  licht, OHG. lioht, Goth. liuhap, Icel. lj, L. lux light, lucere to 1. That agent, force, or action in nature by the operation of which upon the organs of sight, objects are rendered visible or luminous. Note: Light was regarded formerly
• DIRECTER
  One who directs; a director. Directer plane , the plane to which all right-lined elements in a warped surface are parallel.
• INSTRUMENTAL
  Pertaining to, made by, or prepared for, an instrument, esp. a musical instrument; as, instrumental music, distinguished from vocal music. "He defended the use of instrumental music in public worship." Macaulay. Sweet voices mix'd with instrumental
• HEATHER
  Heath. Gorse and grass And heather, where his footsteps pass, The brighter seem. Longfellow. Heather bell , one of the pretty subglobose flowers of two European kinds of heather . (more info) Etym:
• POWERFUL
  Large; capacious; -- said of veins of ore. Syn. -- Mighty; strong; potent; forcible; efficacious; energetic; intense. -- Pow"er*ful*ly, adv. -- Pow"er*ful*ness, n. (more info) 1. Full of power; capable of producing great effects of any
• HEATHENISHNESS
  The state or quality of being heathenish. "The . . . heathenishness and profaneness of most playbooks." Prynne.
• POWERABLE
  1. Capable of being effected or accomplished by the application of power; possible. J. Young. 2. Capable of exerting power; powerful. Camden.
• LIGHTSOME
  1. Having light; lighted; not dark or gloomy; bright. White walls make rooms more lightsome than black. Bacon. 2. Gay; airy; cheering; exhilarating. That lightsome affection of joy. Hooker. -- Light"some*ly, adv. -- Light"some*ness, n. Happiness
• MEASURING
  Used in, or adapted for, ascertaining measurements, or dividing by measure. Measuring faucet, a faucet which permits only a given quantity of liquid to pass each time it is opened, or one by means of which the liquid which passes can be measured.
• EFFECTUOSE; EFFECTUOUS
  Effective. B. Jonson.
• LIGHTNESS
  The state, condition, or quality, of being light or not heavy; buoyancy; levity; fickleness; delicacy; grace. Syn. -- Levity; volatility; instability; inconstancy; unsteadiness; giddiness; flightiness; airiness; gayety; liveliness; agility;
• LIGHT-ARMED
  Armed with light weapons or accouterments.
• DIRECT ACTION
  See BELOW
• DIRECT NOMINATION
  The nomination or designation of candidates for public office by direct popular vote rather than through the action of a convention or body of elected nominating representatives or delegates. The term is applied both to the nomination of candidates
• DIRECTRIX
  1. A directress. Jer. Taylor. A line along which a point in another line moves, or which in any way governs the motion of the point and determines the position of the curve generated by it; the line along which the generatrix moves in generating
• HEATHENRY
  1. The state, quality, or character of the heathen. Your heathenry and your laziness. C. Kingsley. 2. Heathendom; heathen nations.
• LIGHTERAGE
  1. The price paid for conveyance of goods on a lighter. 2. The act of unloading into a lighter, or of conveying by a lighter.
• LIGHT-O'-LOVE
  1. An old tune of a dance, the name of which made it a proverbial expression of levity, especially in love matters. Nares. "Best sing it to the tune of light-o'-love." Shak. 2. Hence: A light or wanton woman. Beau. & Fl.
• MEASURER
  One who measures; one whose occupation or duty is to measure commondities in market.
• UNSHEATHE
  To deprive of a sheath; to draw from the sheath or scabbard, as a sword. To unsheathe the sword, to make war.
• SLIGHTNESS
  The quality or state of being slight; slenderness; feebleness; superficiality; also, formerly, negligence; indifference; disregard.
• DELIGHTING
  Giving delight; gladdening. -- De*light"ing*ly, adv. Jer. Taylor.
• DRUMMOND LIGHT
  A very intense light, produced by turning two streams of gas, one oxygen and the other hydrogen, or coal gas, in a state of ignition, upon a ball of lime; or a stream of oxygen gas through a flame of alcohol upon a ball or disk of lime; -- called
• CANDLE POWER
  Illuminating power, as of a lamp, or gas flame, reckoned in terms of the light of a standard candle.
• DELIGHTLESS
  Void of delight. Thomson.
• IMMEASURABLY
  In an immeasurable manner or degree. "Immeasurably distant." Wordsworth.
• SLIGHTEN
  To slight. B. Jonson.
• IMMEASURED
  Immeasurable. Spenser.
• LAMPLIGHTER
  The calico bass. (more info) 1. One who, or that which, lights a lamp; esp., a person who lights street lamps.
• FLIGHTER
  A horizontal vane revolving over the surface of wort in a cooler, to produce a circular current in the liquor. Knight.