Quick Answer The plural of matrix is matrices. You can also say matrixes — both are correct. Matrices is more common. One: This matrix shows the data.Many: These matrices show the data. Matrix, Matrices, Matrixes — See the Pattern Look at these words. Can you see what happens? Did you see the pattern? These words…
Quick Answer The plural of memorandum is memoranda (the Latin way) or memorandums (the English way). Both are correct. Most people say “memo” and “memos” in everyday English. Memorandum, Memoranda, Memorandums — See the Pattern A memorandum is a short written message, usually at work. People often call it a “memo” for short. Look at…
Quick Answer The plural of index is indexes (everyday English) or indices (math and science). Example: “This book has two indexes at the back.” Index, Indexes, Indices — See the Pattern Look at these sentences. Can you see what changes? Did you see the pattern? When you talk about one, you say index. When you…
Quick Answer The plural of hypothesis is hypotheses. The word “hypothesises” is not correct in English. One: She has a new hypothesis about the result. More than one: The students wrote down their hypotheses before the test. Hypothesis Becomes Hypotheses — See the Pattern Look at these words. Can you see what happens? Did you…
Quick Answer The plural of curriculum is curricula or curriculums. Both are correct. For example: “The school reviewed all three curricula before choosing one.” Curriculum, Curricula, Curriculums — See the Pattern The word curriculum comes from Latin. That is why it has two plural forms — the Latin one and the English one. Look at…
Quick Answer The plural of crisis is crises. The word “crisises” is not correct in English. One: The country is facing an economic crisis. More than one: The world has seen many financial crises in the last 50 years. Crisis Becomes Crises — See the Pattern Look at these words. Can you see what happens?…
Quick Answer The plural of bureau is bureaus. In British English, you can also write bureaux. Both are correct. One: The company has one bureau in London. More than one: The company has three bureaus in Europe. Bureau, Bureaus, Bureaux — See the Pattern The word bureau comes from French. In French, words that end…
Quick Answer The plural of cactus is cactuses or cacti. Both are correct. Use cactuses in everyday English and cacti in science and formal writing. Cactuses and Cacti — See How They Work The word cactus comes from Latin. That is why it has two plural forms. Look at these examples: Did you see the…
Quick Answer The plural of genus is genera or genuses. Both are correct. Use genera in science and formal writing. Use genuses in everyday English. Genera and Genuses — See How They Work The word genus comes from Latin. That is why it has two plural forms. Look at these examples: Did you see the…
Quick Answer The plural of fungus is fungi. You can also say “funguses,” but fungi is the most common form. One: There is a fungus on the bread. More than one: There are fungi growing in the garden. Fungus, Fungi, Funguses — See the Pattern Read these sentences. Can you see the pattern? Did you…
