Below the age of 20, acne can cause dark spots due to scarring and red marks left by the infection. Skin Diseases That Cause Dark Spots Melasma: Itâs one of the commonest causes of grayish patches on the face. It mostly affects the forehead, cheeks, or the area between your mouth and nose.
The definition of a titter is a nervous and half-hidden laugh. An example of a titter is the laugh made by a schoolgirl in class. verb. To titter means to laugh or giggle in a somewhat suppressed way. An example of to titter is the laugh of a nervous toddler.
tiÂ·trate (tÄ«â²trÄtâ²) tr. & intr.v. tiÂ·tratÂ·ed, tiÂ·tratÂ·ing, tiÂ·trates To determine the concentration of (a solution) by titration or perform the operation of titration. [From French titrer, from titre, titer; see titer.] tiâ²tratâ²aÂ·ble adj. tiâ²traâ²tor n.