Difference between Portmanteau Word and Artificial Language

PORTMANTEAU WORD vs ARTIFICIAL LANGUAGE: NOUN

A word which combines the meaning of two words (or, rarely, more than two words), formed by combining the words, usually, but not always, by adjoining the first part of one word and the last part of the other, the adjoining parts often having a common vowel; for example, smog, formed from smoke and fog.
A new word formed by joining two others and combining their meanings

Computer language
Formal language
Constructed language
An invented language based on a set of prescribed rules and developed for a specific purpose, such as international communication or computer programming.
A language that is deliberately created for a specific purpose

Abstractness, Hybridity, Metonymy, Onomatopoeic, Slanguage, Tabula, Diphthong, Lexis, Pluralized, Neologism, Folk etymology, Idiom, Noun, Blend, Portmanteau

Transdialect, Sinicism, Sociolect, Historical linguistics, Metalinguistics, Languageless, Landsmal, Hebraistic, Hispanism, Intralinguistic, Idioglossia, Pasigraphy, Language, Latino sine flexione, Basic english

Bricolage, Abstractness, Hybridity, Metonymy, Onomatopoeic, Slanguage, Tabula, Diphthong, Lexis, Pluralized, Neologism, Folk etymology, Idiom, Noun, Blend

Transdialect, Sinicism, Sociolect, Historical linguistics, Metalinguistics, Languageless, Landsmal, Hebraistic, Hispanism, Intralinguistic, Idioglossia, Pasigraphy, Language, Latino sine flexione, Basic english

But the word he actually used is a portmanteau word that has the feeling of both these meanings and perhaps a little more.

Esperanto speakers are gathering in eastern Poland today for a conference on the artificial language, whose founder wanted it to create global harmony.
Questions pertaining to general knowledge, artificial language, short essays on issues related to the subject, etc.
But for mathematics, say, a somewhat artificial language would be appropriate, would it not?
Typological universals as reflections of biased learning: Evidence from artificial language learning.
So now for my questions: Why did the SAT get rid of their artificial language section?
An artificial language invented for universal use, with stems common to European languages and regularized endings.
In these studies, participants had to segment streams of an artificial language.
Introduction A programming language is an artificial language designed to communicate instructions to a machine, usually computer.
Is code, as an artificial language, subject to the same regulations as natural language?
We first consider the role of implicit memory in language by looking at both natural and artificial language learning studies.