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di-2 away; apart.
di-3 through. [2 definitions]
dia- through; across. [2 definitions]
diabetes any of several metabolic diseases affecting the body's use of blood sugars or the intake and excretion of fluids, such as diabetes mellitus, which requires periodic injections of insulin.
diabetes insipidus a disorder of the pituitary gland, characterized by frequent and excessive urination and intense thirst.
diabetes mellitus a chronic and potentially fatal form of diabetes characterized by insulin deficiency, excess sugar in the blood and urine, and abnormal thirst and hunger.
diabetic of, having, or resulting from diabetes. [2 definitions]
diabolic of the Devil or a devil.
diabolical having qualities like those of the Devil or a devil; fiendish; malevolent.
diabolism worship of, or soliciting the help of, the devil or demons; Satanism. [2 definitions]
diachronic of or pertaining to changes that occur over time, as in languages. (Cf. synchronic.)
diaconal of or pertaining to a deacon or diaconate.
diaconate the rank, tenure, or office of a deacon. [2 definitions]
diacritic a small distinguishing mark, such as a macron, umlaut, or cedilla, that is added to a letter, esp. to indicate how it is to be pronounced; diacritical mark.
diacritical serving to signal a difference or distinction. [2 definitions]
diacritical mark a small distinguishing mark, such as a macron, umlaut, or cedilla, that is added to a letter, esp. to indicate how it is to be pronounced.
diadem a crown or headband symbolizing royal status. [3 definitions]
diadromous veined in a fanlike pattern, as a leaf. [2 definitions]
diaeresis variant of dieresis.
diageotropic of, relating to, or being a plant organ that grows at a right angle to the line of gravity.
diageotropism the tendency of certain plant organs to grow at a right angle to the line of gravity.