Use VLOOKUP when lookup values are located in the first column of a table with information organized vertically. Use HLOOKUP when lookup values are located in the first row of a table, and each record appears in a new column. Range_lookup controls whether value needs to match exactly or not.
senescence - the organic process of growing older and showing the effects of increasing age. ageing, aging. catabiosis - normal aging of cells. biological process, organic process - a process occurring in living organisms.
Wiktionary(0.00 / 0 votes)Rate this definition: 1  senescent(Adjective) Growing old; decaying with the lapse of time. 2  senescent(Adjective) characteristic of old age.