"Research" is an uncountable noun when referring to the general activity of studying or investigating a topic. It represents a collective concept rather than a specific, countable item. However, it can be used as a countable noun in specific contexts, such as "a research study" or "researches" when referring to distinct projects or works.
Information is not countable as in "informations". We can say 1 part of information. this can add up as in 2 parts of information. Needed information to solve a mystery may consist of quite a few parts. The word itself is not countable.
"Landslides" is a countable noun, as it refers to individual occurrences or events of land shifting or collapsing. You can have one landslide, two landslides, and so on. In contrast, "landslide" can also be used in a broader, more abstract sense to describe a general phenomenon, but when discussing specific instances, it is countable.
Research cannot be in the plural because it is an uncountable noun.
An abstract noun is a word for something that can't be experienced by any of the five physical senses; something that can't be seen, heard, smelled, tasted, or touched. An abstract noun is word for something that you know, learn, think, understand, or feel emotionally.Some abstract nouns are countable (have a singular and a plural form) and some abstract nouns are uncountable (have only a singular or only a plural form).A singular abstract noun may be the singular form of a countable noun, or it may be a singular uncountable noun.Examples of countable abstract nouns are:hope, hopesidea, ideasdanger, dangersfriendship, friendshipsliberty, libertiesExamples of singular uncountable nouns are:adviceeducationknowledgegossip*astronomyExamples of plural uncountable nouns are:newseconomicspolitics*Note: The noun 'gossip' is a singular, countable, concrete noun as a word for a person or persons (They're just a bunch of gossips).
Transport is both countable and uncountable as a noun.
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uncountable
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The gerund painting is a countable noun, as in "There are 12 paintings in this room."
few is countable
countable
Countable
The noun 'steel' is an uncountable (mass) noun, a word for a substance.
he asked me if the word fire wood countable or uncountable?
Pasta is a countable noun