<https://sivadictionaries.com/>
<http://schema.org/description>
"The SIVA PRIMARY DICTIONARY has been specially written as a practical first dictionary for learners of English of all ages. It is easy to understand and give the help that learners need to use new vocabulary correctly. ・Contains 7,000 entries from many school subjects including maths, science and history ・Each word is explained clearly and simply, using only those words which a student will know at this level ・Many example sentences are included to show how to use words correctly"
<https://sivadictionaries.com/fms/ry/328533/>