<title type="display">ultraviolat</title> Pronúncia: ùltɾəβiulát adjectiu ultraviolet. raigs ultraviolats ultraviolet rays.
<title type="display">ululació</title> Pronúncia: ululəsió femení [d’un animal, del vent] howling, wailing. [de l’òliba] hooting, screeching. [de dolor] ululation.
<title type="display">ulular</title> Pronúncia: ululá verb intransitiu [d’un animal, del vent] to howl, wail. [de l’òliba] to hoot, screech. [de dolor] to ululate.