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Taxonomic lookup for plants, animals, fungi and microbes

Fish reference lookup by common or scientific name

Biographical lookup with period and occupation filters

Search the Medical Subject Headings vocabulary

Heart, lung, blood and sleep references with related fact sheets

Study languages through shows, films and music.

Spanish-English lookup combined with structured language lessons.

Graded Chinese stories with audio and word support.

Chinese reading through graded news-based lessons.

Chinese graded reading with audio and contextual lookup.

US water observations and data-access resources

Australian Sign Language videos and topic lookup.

English definitions beside usage and collocation references

English dictionary lookup with explicit usage guidance

Definitions connected to sentence examples and grammar articles

Technology and appliance shopping with store collection

AI clinical documentation and evidence support for clinicians.

Taxonomic lookup for living reptile species

Dictionary, thesaurus and grammar reference in one service

Acronym meanings organized by subject context

Health information and service references for Victoria

Arthritis, muscle, bone and skin information in several languages

An alphabetical reference to neurological conditions and related subjects

Decode shorthand by topic or search direction