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2. List of chemical elements - Wikipedia

   en.wikipedia.org/wiki/List_of_chemical_elements

   A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...

3. List of chemical element name etymologies - Wikipedia

   en.wikipedia.org/wiki/List_of_chemical_element...

   These include columbium (Cb), hahnium (Ha), joliotium (Jl), and kurchatovium (Ku), names connected to Christopher Columbus, Otto Hahn, Irène Joliot-Curie, and Igor Kurchatov; and also cassiopeium (Cp), a name coming from the constellation Cassiopeia and is hence indirectly connected to the mythological Cassiopeia.

4. English phonology - Wikipedia

   en.wikipedia.org/wiki/English_phonology

   A phoneme of a language or dialect is an abstraction of a speech sound or of a group of different sounds that are all perceived to have the same function by speakers of that particular language or dialect. For example, the English word through consists of three phonemes: the initial "th" sound, the "r" sound, and a vowel sound.

5. English terms with diacritical marks - Wikipedia

   en.wikipedia.org/wiki/English_terms_with...

   Some sources distinguish "diacritical marks" (marks upon standard letters in the A–Z 26-letter alphabet) from "special characters" (letters not marked but radically modified from the standard 26-letter alphabet) such as Old English and Icelandic eth (Ð, ð) and thorn (uppercase Þ, lowercase þ), and ligatures such as Latin and Anglo-Saxon Æ (minuscule: æ), and German eszett (ß; final ...

6. Diphthong - Wikipedia

   en.wikipedia.org/wiki/Diphthong

   American English pronunciation of "no highway cowboys" /noʊ ˈhaɪweɪ ˈkaʊbɔɪz/, showing five diphthongs: / oʊ, aɪ, eɪ, aʊ, ɔɪ / A diphthong (/ ˈ d ɪ f θ ɒ ŋ, ˈ d ɪ p-/ DIF-thong, DIP-; [1] from Ancient Greek δίφθογγος (díphthongos) 'two sounds', from δίς (dís) 'twice' and φθόγγος (phthóngos) 'sound'), also known as a gliding vowel or a vowel glide, is ...

7. Vowel - Wikipedia

   en.wikipedia.org/wiki/Vowel

   Many languages that use a form of the Latin alphabet have more vowel sounds than can be represented by the standard set of five vowel letters. In English spelling, the five letters a e i o and u can represent a variety of vowel sounds, while the letter y frequently represents vowels (as in e.g., "gym", "happy", or the diphthongs in "cry ...

8. International Phonetic Alphabet - Wikipedia

   en.wikipedia.org/wiki/International_Phonetic...

   Typography and iconicity. [edit] The International Phonetic Alphabet is based on the Latin script, and uses as few non-Latin letters as possible. [ 6 ] The Association created the IPA so that the sound values of most letters would correspond to "international usage" (approximately Classical Latin). [ 6 ]

9. Minimal pair - Wikipedia

   en.wikipedia.org/wiki/Minimal_pair

   The minimal pair was an essential tool in the discovery process and was found by substitution or commutation tests. [3] As an example for English vowels, the pair "l e t" + "l i t" can be used to demonstrate that the phones [ɛ] (in l e t) and [ɪ] (in l i t) actually represent distinct phonemes /ɛ/ and /ɪ/. An example for English consonants ...