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One French item, an English plural

English speakers are used to treating certain single objects as plurals. You wear pants, you climb the stairs, and you listen to headphones. Even though these are single items, English uses a plural noun. This usually happens because the object has two parts or components.

When you learn French, you will find that the language prefers to look at the entire item as a single, unified object. This means you will use singular articles like un or une, and any verbs or adjectives connected to the word will also take a singular form. Understanding this mismatch between the two languages will help you avoid some very common mistakes.

Word list
pantalonmA1 pants un pantalon = a pair of trousers escaliermA2 stairs un escalier = a flight of stairs balancefB1 balance une balance = scales jeanmB1 jeans un jean = a pair of jeans jeansmB1 jeans un jeans = jeans maillot de bainmB1 swimming trunks un maillot de bain = swimming trunks pyjamamB1 pajamas un pyjama = pajamas short de bainmB1 swimming trunks un short de bain = swimming shorts slip de bainmB1 swimming trunks un slip de bain = swimming briefs sous-vêtementmB1 underwear un sous-vêtement = underpants appareil dentairemB2 braces un appareil dentaire = braces casquemB2 headphones un casque = headphones compasmB2 compass un compas = a pair of compasses guidonmB2 handlebar un guidon = handlebars collantmC1 pantyhose un collant = tights dentiermC1 dentures un dentier = dentures prothèse dentairefC1 dentures une prothèse dentaire = dentures cornemusefC2 bagpipes une cornemuse = bagpipes pincefC2 pliers une pince = pliers
Clothing and garments

In French, garments with two legs or two parts are typically treated as a single item of clothing. You use words like un pantalon or un jean with a singular verb. The spelling jeans also exists in French, but despite the final s, it is still treated as singular.

Ce pantalon est trop long.
(These trousers are too long.)

This same logic applies to sleepwear like un pyjama and legwear like un collant. For swimming, men wear un maillot de bain, un short de bain, or un slip de bain. Similarly, a single piece of lower underwear is un sous-vêtement.

Il a mis un short de bain rouge.
(He put on red swimming trunks.)
Elle vient d'acheter un nouveau pyjama.
(She just bought new pajamas.)
Tools, devices, and objects

This singular pattern extends to many devices and tools. In English, you wear headphones, and teenagers get braces on their teeth. In French, you wear un casque on your head and un appareil dentaire on your teeth. Older adults might have un dentier or une prothèse dentaire, which both mean dentures.

Mon casque est cassé.
(My headphones are broken.)
Mon fils a un appareil dentaire.
(My son has braces.)

When working with your hands or studying math, you will also see this rule. If you do geometry, you draw circles with un compas. If you need to fix a wire, you grab une pince.

Tu as besoin d'une pince pour réparer ça.
(You need pliers to fix this.)
Around town and other items

A few other everyday things follow this rule, completely ignoring the English plural form. You walk up un escalier, you steer a bicycle with un guidon, and a musician plays une cornemuse.

Elle descend l'escalier.
(She is going down the stairs.)
Il tient fermement le guidon du vélo.
(He is firmly holding the bicycle handlebars.)
Watch out

Because English speakers naturally think of these objects as plurals, they often try to say a pair of when speaking French. You rarely need to translate this phrase for the items on this list. Simply saying un pantalon or un jean is completely enough to mean a pair of trousers or a pair of jeans.

Keep in mind that French does occasionally agree with the English plural logic. For instance, scissors translate to a plural word in French as well, and small earbuds are often plural. However, for the specific words covered in this article, you should always think in the singular.

Summary

When you want to talk about a single item that happens to be plural in English, check to see if French treats it as a singular object. For many garments, tools, and everyday items, French uses a singular noun paired with singular verbs and adjectives.