fetus
See embryo, fetus
few, fewer, less
The traditional rule is that fewer is used with nouns that can be counted:
Less is used with nouns that cannot be counted:
For percentages, use ‘fewer than’ if the thing being measured is a countable noun and ‘less than’ if it is an uncountable noun:
Fewer than 40% of people living in Geelong voted for the change.
Fewer than 80% of the apples are edible.
Less than 5% of the water in the dam was released after the downpour.
Women in the industry earn less than 90% of the wage received by men.
fewer
See few, fewer, less
fish, fishes
Although often used interchangeably, in stricter biological usage, these 2 plural forms can have different meanings. Take care to maintain consistency:
- fish: a group of fish of the same species
- fishes: several different species of fish
flammable, inflammable, nonflammable
flammable, inflammable: likely to burn easily. Flammable was introduced to avoid a false analogy between inflammable and words such as inactive, in which in means not. To avoid misinterpretation, always use flammable
nonflammable: not flammable
food allergy, food intolerance
food allergy (also called hypersensitivity): an abnormal response to a food that is triggered by the immune system
food intolerance: a response to food that is not associated with an immune response (even though the symptoms can resemble those of a food allergy) – for example, lactose intolerance is an inability to digest lactose in milk properly and is different from lactose allergy
food intolerance
forecast, prediction, projection
a statement of the likelihood of a future event under particular conditions that are variable or uncertain (e.g. if that happens, then this will follow)