Add i18n file for units

plugins/woocommerce/i18n/units.php

@@ -0,0 +1,28 @@
+<?php
+/**
+ * Units
+ *
+ * Returns a multidimensional array of measurement units and their labels.
+ * Unit labels should be defined in English and translated native through localization files.
+ *
+ * @package WooCommerce\i18n
+ * @version
+ */
+
+defined( 'ABSPATH' ) || exit;
+
+return array(
+	'weight'     => array(
+		'kg'  => _x( 'kg', 'weight unit kilograms', 'woocommerce' ),
+		'g'   => _x( 'g', 'weight unit grams', 'woocommerce' ),
+		'lbs' => _x( 'lbs', 'weight unit pounds', 'woocommerce' ),
+		'oz'  => _x( 'oz', 'weight unit ounces', 'woocommerce' ),
+	),
+	'dimensions' => array(
+		'm'  => _x( 'm', 'dimensions unit meters', 'woocommerce' ),
+		'cm' => _x( 'cm', 'dimensions unit centimeters', 'woocommerce' ),
+		'mm' => _x( 'mm', 'dimensions unit millimeters', 'woocommerce' ),
+		'in' => _x( 'in', 'dimensions unit inches', 'woocommerce' ),
+		'yd' => _x( 'yd', 'dimensions unit yards', 'woocommerce' ),
+	),
+);