a | b | c | d | e | f | g | h | i | j | k | l | m | n | o | p | q | r | s | t | u | v | w | x | y | z |



Belonging to a diphthong; consisting of two vowel sounds pronounced in one syllable.


In a diphthongal manner.

DIPH-YL'LOUS, a. [Gr. δις and φυλλον, a leaf.]

In botany, having two leaves, as a calyx, &c.

DIP'LOE, n. [Gr. διπλους, double.]

The soft meditullium, medullary substance, or porous part between the plates of the skull. – Coxe. Encyc.

DI-PLO'MA, n. [Gr. διπλωμα, from διπλοω, to double or fold. Anciently, a letter or other composition written on paper or parchment and folded; afterwards, any letter, literary monument, or public document.]

A letter or writing conferring some power, authority, privilege or honor. Diplomas are given to graduates of colleges on their receiving the usual degrees; to clergymen who are licensed to exercise the ministerial functions; to physicians who are licensed to practice their profession; and to agents, who are authorized to transact business for their principals. A diploma then is a writing or instrument, usually under seal and signed by the proper person or officer, conferring merely honor, as in the case of graduates, or authority, as in the case of physicians, agents, &c.

DI-PLO'MA-CY, n. [This word, like supremacy, retains the accent of its original.]

  1. The customs, rules and privileges of embassadors, envoys and other representatives of princes and states at foreign courts; forms of negotiation.
  2. A diplomatic body; the whole body of ministers at a foreign court.
  3. The agency or management of ministers at a foreign court. – Cevalles.




Made by diplomas. – Kennet.


  1. Pertaining to diplomas; privileged.
  2. Furnished with a diploma; authorized by letters or credentials to transact business for a sovereign at a foreign court. Ministers at a court are denominated a diplomatic body.
  3. Pertaining to ministers at a foreign court, or to men authorized by diploma; as, a diplomatic character; diplomatic management.


A minister, official agent or envoy to a foreign court.


The science of diplomas, or of ancient writings, literary and public documents, letters, decrees, charters, codicils, &c., which has for its object to decipher old writings, to ascertain their authenticity, their date, signatures, &c. – Encyc. Lunier.


A person skilled in diplomacy.

DIP'PED, pp.

Plunged; immersed.


  1. One that dips; he or that which dips.
  2. A vessel used to dip water or other liquor; a ladle.


  1. The act of plunging or immersing.
  2. The act of inclining toward the earth; inclination downward; as, the dipping of the needle.
  3. The interruption of a vein of ore, or stratum of a fossil, in a mine; or a sloping downward.
  4. The act of baptizing by the immersion of the whole body in water.

DIP'PING, ppr.

  1. Plunging or immersing into a liquid and speedily withdrawing; as, to ascertain the temperature of water by dipping the finger in it; baptizing by immersion.
  2. Engaging or taking a concern in.
  3. Looking into, here and there; examining in a cursory, slight or hasty manner.
  4. Inclining downward, as the magnetic needle.
  5. Breaking; inclining; as a vein of ore.


A needle that dips; a magnetic needle which dips or inclines to the earth; an instrument which shows the magnetic inclination at the different points of the earth's surface. In the equatorial regions, the needle takes a horizontal position; but, as we recede from the equator toward either pole, it dips or inclines one end to the earth, the north end, as we proceed northward, and the south end, as we proceed southward, and the farther north or south we proceed, the greater is the dip or inclination. This is on the supposition that the poles of the earth and the magnetic poles coincide, which is not the case. The above statement is strictly true, only of the magnetic equator and its poles. – Cavallo. Cyc.

DI-PRIS-MAT'IC, a. [di and prismatic.]

  1. Doubly prismatic. – Jameson.
  2. Having cleavages parallel to the sides of a four sided vertical prism, and at the same time, to a horizontal prism. – Mohs.

DIP'SAS, n. [Gr. διψας, dry, thirsty; διψαω, to thirst.]

A serpent whose bite produces a mortal thirst. See Deut. viii.

DIP'TER, or DIP'TER-A, n. [Gr. δις and πτερον, a wing.]

The dipters are an order of insects having only two wings, and two poisers, as the house-fly. – Encyc.


Having two wings only.


In ancient architecture, one of the seven orders of sacred buildings; an octostyle in front and rear. – Elmes.

DIP'TOTE, n. [Gr. from δις and πιπτω, to fall.]

In grammar, a noun which has only two cases; as, suppetia, suppetias. – Encyc.

DIP'TYCH, n. [Gr. διπτυχος; δις and πτυσσω, πτυξω, to fold.]

A public register of the names of consuls, and other magistrates among pagans; and of bishops, martyrs, and others, among Christians; so called because it consisted of two leaves folded, but it sometimes contained three or more leaves. The sacred diptych was a double catalogue, in one of which were registered the names of the living, and in the other the names of the dead, which were to be rehearsed during the office. – Encyc.

DIP'TY-CHUS, n. [Gr.]

In ancient history, a sort of book or tablet that was folded with two leaves. – Elmes.