Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, and many other biological effects. In humans, the most important compounds in this group are vitamin D 3 (also known as cholecalciferol) and vitamin D 2 (ergocalciferol). Saint seiya hades dvds.

A grouping of symptoms that increase the risk of diabetes, heart disease, and stroke (metabolic syndrome). There is conflicting evidence about the link between vitamin D and metabolic syndrome.
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D¹

2. also d The symbol for the Roman numeral 500.

D²

abbr.

2. day

3. Sports

b. defense

4. Democrat

6. down

d¹

or D(dē)n.pl.d's or D's also ds or Ds

1. The fourth letter of the modern English alphabet.

2. Any of the speech sounds represented by the letter d.

4. Something shaped like the letter D.

5. D The lowest passing grade given to a student in a school or college.

6. Music

a. The second tone in the scale of C major or the fourth tone in the relative minor scale.

c. A written or printed note representing this tone.

d. A string, key, or pipe tuned to the pitch of this tone.

d²

abbr.

2. diameter

4. down quark

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

d

(diː) or

D

n, pld's, D'sorDs

1. (Linguistics) the fourth letter and third consonant of the modern English alphabet

2. (Phonetics & Phonology) a speech sound represented by this letter, usually a voiced alveolar stop, as in dagger

3. (Billiards & Snooker) the semicircle on a billiards table having a radius of 11 inches and its straight edge in the middle of the baulk line

d

symbol for

1. (General Physics) physics density or relative density

2. (Mathematics) maths a small increment in a given variable or function: used to indicate a derivative of one variable with respect to another, as in dy/dx

3. (Chess & Draughts) chess See algebraic notation

D

symbol for1. (Music, other) music

a. a note having a frequency of 293.66 hertz (D above middle C) or this value multiplied or divided by any power of 2; the second note of the scale of C major

c. the major or minor key having this note as its tonic

3. (Mathematics) maths the first derivative of a function, as in D(x³ + x²) = 3x² + 2x

4. (General Physics) physics

b. electric displacement

6. (Industrial Relations & HR Terms)

a. a semiskilled or unskilled manual worker, or a trainee or apprentice to a skilled worker

b. (as modifier): D worker. See also occupation groupings

7. (Mathematics) (Roman numeral)500. See Roman numerals

abbreviation for9. (General Sporting Terms) informal

a. defence: I'm playing D in the match this afternoon.

10. (General Sporting Terms) informalAustral defensive play

D

D.

abbreviation for

(Classical Music) Deutsch: indicating the serial number in the catalogue (1951) of the musical compositions of Schubert made by Otto Deutsch (1883–1967)

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

D, d

(di)
n., pl. DsD's, dsd's.

1. the fourth letter of the English alphabet, a consonant.

2. any spoken sound represented by this letter.

4. a written or printed representation of the letter D or d.

d-

Biochem. Symbol.

(of a molecule) having a configuration resembling the dextrorotatory isomer of glyceraldehyde: printed as a small capital, roman character (disting. from l-).

d-

Symbol.

d'

D. B. Woodside

Pron. Spelling.

do (esp. before you): How d'you like them?

'd

2. contraction of would: I'd like to see it.

4. contraction of - ed: She OK'd the plan.

D

2. depth.

4. divorced.

D

Symbol.

1. the fourth in order or in a series.

2. (sometimes l.c.) (in some grading systems) a grade or mark indicating poor or barely acceptable quality.

a. the second note of the ascending C major scale.

4. (sometimes l.c.) the Roman numeral for 500. Compare Roman numerals.

6. aspartic acid.

D.

2. December.

4. Democratic.

6. Deus.

8. Doctor.

10. Dutch.

d.

2. daughter.

4. deceased.

6. degree.

8. Brit. pence.

9. Chiefly Brit. penny.

10. Physics. density.

12. deputy.

14. diameter.

16. dime.

18. dollar.

20. drachma.

d

The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

D

1. A member of the occupation grouping typically consisting of semiskilled or unskilled workers.

2. A semicircle centered on the balk line from within which the cue ball is struck at the start of a game.

3. Semicircle, centered on the balk line, from within which the cue ball is struck at the start of a frame.

Noun	1.	D - a fat-soluble vitamin that prevents rickets calciferol, cholecalciferol, ergocalciferol, viosterol, vitamin D ergosterol - a plant sterol that is converted into vitamin D by ultraviolet radiation fat-soluble vitamin - any vitamin that is soluble in fats
2.	D - the cardinal number that is the product of one hundred and five large integer - an integer equal to or greater than ten
3.	d - the 4th letter of the Roman alphabet Latin alphabet, Roman alphabet - the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe alphabetic character, letter of the alphabet, letter - the conventional characters of the alphabet used to represent speech; 'his grandmother taught him his letters'
Adj.	1.	d - denoting a quantity consisting of 500 items or units cardinal - being or denoting a numerical quantity but not order; 'cardinal numbers'

D

¹d¹[diː]N

2. (Mus) D → re m

D 1

D 2

d 1

d 2

d

D

d

D

D

D.

D, d

d-

d-

d'

D. B. Woodside

'd

D

D

D.

d.

d

D

D

D¹

D²

d¹

d²

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