<span class="searchmatch">lithiī</span> genitive singular of lithium...
<span class="searchmatch">lithiīs</span> dative/ablative plural of lithium...
Italianate Ecclesiastical) IPA(key): [ˈliː.t̪i.um] lithium n (genitive <span class="searchmatch">lithiī</span>); second declension (New Latin, chemistry) lithium Second-declension noun...