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1. Music
a. not sharp or flat
b. denoting a note that is neither sharp nor flat
c. (of a key or scale) containing no sharps or flats
2. Music of or relating to a trumpet, horn, etc., without valves or keys, on which only notes of the harmonic series of the keynote can be obtained
3. Cards
a. (of a card) not a joker or wild card
b. (of a canasta or sequence) containing no wild cards
c. (of a bid in bridge) describing genuine values; not conventional
4. based on the principles and findings of human reason and what is to be learned of God from nature rather than on revelation
5. Music
a. an accidental cancelling a previous sharp or flat.
b. a note affected by this accidental
6. Pontoon the combination of an ace with a ten or court card when dealt to a player as his or her first two cards

tropical year

tropical yearclick for a larger image
The period between two successive vernal equinoxes, the time the earth takes to complete one orbit around the sun relative to the first point of Aries. Its length was 365 days 5 h 48 min and 45.19 s in 2000, and it is changing by 0.00000006162 x y days (y in Julian years from 2000), or about 5 milliseconds/year. The tropical year differs from the solar year by 1 part in 26,000, since this is the period of the earth's precession about its rotational axis combined with the precession of the perihelion of the earth's orbit. Also called an astronomical, equinoctial, natural, or solar year. It contains one complete cycle of seasons.


An integrated 4GL from Software AG, Germany. The menu-driven version is SUPER/NATURAL.

Natural 2 is a major upgrade to Natural 1.

Version 2.1.7 in the MVS environment (June 1995, also available for Unix).

Natural works with DB2 and various other databases, but Natural and Adabas normally go together. There are many products available in the "Natural" family, including SuperNatural, Natural for Windows, Entire Connection (enables up/downloading and interaction with Excel) and Esperant.


An earlier fourth-generation language from Software AG, Reston, VA, that ran on a variety of computers from micro to mainframe. See fourth-generation language.
References in periodicals archive ?
Since neither statistical normality nor non-pathological normality (as ideal normality or functional normality) do not offer satisfactory interpretations for what is meant by the unnaturalness of neuro-enhancement, one might suggest that naturalness and normality in this context refer to what is typical of healthy human beings (Sparrow 2010:117).
The Objective of this project is to achieve greatest naturalness, which is possible using unit selection method of concatenative synthesis.
I begin by listing the criteria with which Natural Syntax substantiates naturalness scales:
He said: "The waterways harness the naturalness and act as quiet retreat from the closeness and bustle of urban life.
She touched, with the naturalness and gratitude of the sun,
Innocence and naturalness are beautiful and attractive things which I see being lost.
Burt also said, "The safety and naturalness of New Zealand beef has been wrongly attacked.
As Luzi rightly points out, your book also represents a novelty of a critical and erudite kind; but what I find particularly striking is the thematic richness, even though centered on love, the numerous variations and, above all, the fluent freshness and the enviable naturalness of thought and perception.
Castiglione's most valuable insight for the modern courtier was a concept he called spezzatura, which Stengel translates as "a sophisticated naturalness, a mastery that seems unstudied.
There is no "correct" gesture for any given situation, but one of the keys to using good gestures is the appearance of spontaneity and naturalness.
This comes as no surprise, but it's the naturalness of these portrayals--their lack of Thelma & Louise swagger or Bigelowesque bluster--that's unusual and maybe even indigenous.

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