Wiktionary (0.00 / 0 votes) Rate this definition: infinity (Noun). Limitlessness, unlimitedness, something which is growing without limits or bounds. infinity (Noun). A number that has an infinite numerical value that cannot be counted.
prodrome - an early symptom that a disease is developing or that an attack is about to occur. prodroma. symptom - (medicine) any sensation or change in bodily function that is experienced by a patient and is associated with a particular disease. Translations.
Â· Pastoral. The zone of proximal development (Ð·Ð¾Ð½Ð° Ð±Ð»Ð¸Ð¶Ð°Ð¹ÑÐµÐ³Ð¾ ÑÐ°Ð·Ð²Ð¸ÑÐ¸Ñ), often abbreviated ZPD, is the difference between what a learner can do without help and what he or she can do with help. It is a concept developed by Soviet psychologist and social constructivist Lev Vygotsky (1896 â 1934). Vygotsky stated that a child follows an adult's example and gradually develops the ability to do certain tasks without help. Vygotsky's often-quoted definition of zone of proximal development presents it as.