noun rain· fall ˈrān-ˌfȯl 1 : the amount of precipitation usually measured by the depth in inches 2 : rain sense 2a Synonyms cloudburst deluge downfall downpour rain rainstorm storm wet See …

rainfall 1. (Physical Geography) precipitation in the form of raindrops 2. (Physical Geography) meteorol the amount of precipitation in a specified place and time

noun. a fall or shower of rain. the amount of water falling in rain, snow, etc., within a given time and area, usually expressed as a hypothetical depth of coverage: a rainfall of 70 inches a year.

rainfall / ˈ reɪnˌfɑːl/ noun plural rainfalls Britannica Dictionary definition of RAINFALL : the amount of rain that falls on a particular area [count] This area has an average annual rainfall of 12 inches. areas with heavy rainfalls [noncount] an increase in annual rainfall

Rainfall can be defined as the precipitation in the liquid form. There are various types of rainfall based on the origin which are discussed in the article below. Types of Rainfall (UPSC Notes):-Download PDF Here. Types of Rainfall. Rainfall has been classified into three main types based on the origin – Convectional rainfall

rainfall noun [ U ] uk / ˈreɪn.fɔːl / us / ˈreɪn.fɑːl / rain, or the amount of rain that falls: Heavy rainfall ruined the match. The average annual rainfall in this region is 750 mm. SMART Vocabulary: related words and phrases Precipitation: rain bucket bucket down cloud seeder cloud seeding cloudburst deluge downpour drizzle heaven mizzle pelt

rainfall in American English. (ˈreinˌfɔl) noun. 1. a fall or shower of rain. 2. the amount of water falling in rain, snow, etc., within a given time and area, usually expressed as a hypothetical depth of coverage. a rainfall of 70 inches a year. Most material © 2005, 1997, 1991 by Penguin Random House LLC.

This rainfall occurs when a warm, tropical air mass comes in contact with a cold, polar air mass. It is very common in Britain and Ireland. Because the air is in the warm front, then it rises over the cold front. The air is cooled and so condenses to form a stratus cloud. Thus when the stratus cloud becomes saturated, it begins to precipitate.

12/03/2015 · Rainfall is the amount of water falling in rain, snow, etc., within a given time and area, usually expressed as a hypothetical depth of coverage. Three types of rainfall are: Convectional rainfall, this type of rainfall occurs due to thermal convention due to heating of the ground surface. When the land warms up, it heats the air above it.

The air on getting heated becomes light and rises in convection currents. As the air rises, it expands and drops the temperature and subsequently, condensation takes place and cumulus clouds are formed. Heavy rainfall with lightning and thunder takes place which does not last long. Such rain is usually in the summer or the hotter part of the day.