What's the longest word in portuguese?

‘ótico’.

Explanation: It describes an individual who suffers of a lung desease caused by the inhalation of volcanic ash, although the name of the desease in Portuguese is simply ‘silicose' or ‘silicosis' in English. So ir is just a longer version of the word Silicose.

answer: to accurately look up a word in the dictionary, look at the letters until it comes close to the word, then on that page you will find it and learn the word. a dictionary will have words similar such as its synonyms and its roots, but also how to pronounce the word and it's roots. a dictionary is when making sure you're using the right word in a writing piece or just when you need clarification what the word is/means.

explanation: i hope this is as it is also self explanatory. have a wonderful day and i hope this you! < 3