What is the plural noun for thermos?

Answer 1

Thermoses complete explanation courtesy of Purdue University Brought to you by the Purdue University Online Writing Lab ---- 1. Add an -s to form the plural of most words. * elephant--elephants * stereo--stereos 2. For words that end in a "hissing" sound (-s, -z, -x, -ch, -sh), add an -es to form the plural. * box--boxes * church--churches 3. If the word ends in a vowel plus -y (-ay, -ey, -iy, -oy, -uy), add an -s to the word. * tray--trays * key--keys 4. If the word ends in a consonant plus -y, change the -y into -ie and add an -s to form the plural. * enemy--enemies * baby--babies 5. For words that end in -is, change the -is to -es to make the plural form. * synopsis--synopses * thesis--theses 6. Some words that end in -f or -fe have plurals that end in -ves. * knife--knives * self--selves 7. The plurals of words ending in -o are formed by either adding -s or by adding -es. The plurals of many words can be formed either way. To determine whether a particular word ends in -s or -es (or if the word can be spelled either way), check your dictionary or the list below. There are two helpful rules: a. All words that end in a vowel plus -o (-ao, -eo, -io, -oo, -uo) have plurals that end in just -s: * stereo--stereos * studio--studios * duo--duos b. All musical terms ending in -o have plurals ending in just -s. * piano--pianos * cello--cellos * solo--solos c. Plural forms of words ending in -o: -os-oes-os or -oes : albinos : armadillos : autos : bravos : broncos : cantos : casinos : combos : gazebos : infernos : kimonos : logos : maraschinos : ponchos : sombreros : tacos : torsos : tobaccos : typos : echoes : embargoes : heroes : potatoes : tomatoes : torpedoes : vetoes : avocados/oes : buffaloes/os : cargoes/os : desperadoes/os : dodoes/os : dominoes/os : ghettos/oes : grottoes/os : hoboes/os : innuendoes/os : lassos/oes : mangoes/os : mosquitoes/os : mottoes/os : mulattos/oes : noes/os : palmettos/oes : peccadilloes/os : tornadoes/os : volcanoes/os : zeros/oes 8. The plurals of single capital letters, acronyms, and Arabic numerals (1,2,3,...) take an -s WITHOUT an apostrophe: * Z (the capital letter Z)--Zs * UPC (Universal Product Code)--UPCs * ATM (Automatic Teller Machine)--ATMs * GUI (Graphical User Interface)--GUIs * 3 (the Arabic numeral 3)--3s