pneu⋅mo⋅no⋅ul⋅tra⋅mi⋅cro⋅scop⋅ic⋅sil⋅i⋅co⋅vol⋅ca⋅no⋅co⋅ni⋅o⋅sis

   /ˈnumənoʊˌʌltrəˌmaɪkrəˌskɒpɪkˈsɪlɪˌkoʊvɒlˌkeɪnoʊˌkoʊniˈoʊsɪs, ˈnyu-/ Show Spelled Pronunciation [noo-muh-noh-uhl-truh-mahy-kruh-skop-ik-sil-i-koh-vol-key-noh-koh-nee-oh-sis, nyoo-]

–noun

an obscure term referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.

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Origin:
<>see pneumono-, ultramicroscopic, silica, volcano

Sentence: I got pneumonoultramicroscopicsilicovolcanoconiosis last week and nearly died while at the hospital. That's what I get for breathing in valcano dust though.

This weeks word is risible
Definition

1. capable of laughing
2. exciting or provoking laughter
3. relating to, connected with, or used in laughter
   

Sentence
Ben is very risible

History
Risible comes from Late Latin risibilis, from the past participle of Latin ridere, "to laugh, to laugh at." The noun form is risibility

Synonym
Funny,comical,humorous