Variable and Sensitive

noun

• Something that is likely to vary; something that is subject to variation.
  • usage: "the weather is one variable to be considered"
• A quantity that can assume any of a set of values.
  • synonyms: variable quantity
• A star that varies noticeably in brightness.
  • synonyms: variable star
• A symbol (like x or y) that is used in mathematical or logical expressions to represent a variable quantity.

adjective

• Liable to or capable of change.
  • usage: "rainfall in the tropics is notoriously variable"; "variable winds"; "variable expenses"
• Marked by diversity or difference.
  • usage: "the varying angles of roof slope"; "nature is infinitely variable"
  • synonyms: varying
• Used of a device) designed so that a property (as e. G. Light) can be varied. (
  • usage: "a variable capacitor"; "variable filters in front of the mercury xenon lights"

• (n.) Those parts of the sea where a steady wind is not expected, especially the parts between the trade-wind belts.
• (n.) That which is variable; that which varies or is subject to change.
• (a.) Liable to vary; too susceptible of change; mutable; fickle; unsteady; inconstant; as, the affections of men are variable; passions are variable.
• (n.) A quantity which may increase or decrease; a quantity which admits of an infinite number of values in the same expression; a variable quantity; as, in the equation x2 - y2 = R2, x and y are variables.
• (a.) Having the capacity of varying or changing; capable of alternation in any manner; changeable; as, variable winds or seasons; a variable quantity.
• (n.) A shifting wind or one that varies in force.

Variable is an element in a model. For example, in the model RS&Pt+1 = a + b Tbill t + et, where RS&Pt+1 is the return on the S&P in month t+1 and Tbill is the Tbill return at month t, both RS&P and Tbill are "variables" because they change through time; i. E., they are not constant.

noun

• Someone who serves as an intermediary between the living and the dead.
  • usage: "he consulted several mediums"
  • synonyms: medium, spiritualist

adjective

• Responsive to physical stimuli.
  • usage: "a mimosa's leaves are sensitive to touch"; "a sensitive voltmeter"; "sensitive skin"; "sensitive to light"
• Being susceptible to the attitudes, feelings, or circumstances of others.
  • usage: "sensitive to the local community and its needs"
• Able to feel or perceive.
  • usage: "even amoeba are sensible creatures"; "the more sensible parts of the skin"
  • synonyms: sensible
• Hurting.
  • usage: "the tender spot on his jaw"
  • synonyms: sore, raw, tender
• Of or pertaining to classified information or matters affecting national security. .

• (a.) Having sense of feeling; possessing or exhibiting the capacity of receiving impressions from external objects; as, a sensitive soul.
• (a.) Serving to affect the sense; sensible.
• (a.) Having a capacity of being easily affected or moved; as, a sensitive thermometer; sensitive scales.
• (a.) Having quick and acute sensibility, either to the action of external objects or to impressions upon the mind and feelings; highly susceptible; easily and acutely affected.
• (a.) Readily affected or changed by certain appropriate agents; as, silver chloride or bromide, when in contact with certain organic substances, is extremely sensitive to actinic rays.
• (a.) Of or pertaining to sensation; depending on sensation; as, sensitive motions; sensitive muscular motions excited by irritation.

(DoD) Requiring special protection from disclosure that could cause embarrassment, compromise, or threat to the security of the sponsoring power. May be applied to an agency, installation, person, position, document, material, or activity.