material-design-icons
许可类型：Apache License Version 2.0
这是来自谷歌的两套不同官方图标集，它们基于相同的设计理念。Material Symbols 是当前的图标集，于2022年4月推出，基于可变字体技术构建。而 Material Icons 则是经典图标集，但已不再更新。
ramp_right
rate_review
raw_off
raw_on
read_more
real_estate_agent
receipt
receipt_long
recent_actors
recommend
record_voice_over
rectangle
recycling
redeem
redo
reduce_capacity
refresh
remember_me
remove
remove_circle
remove_circle_outline
remove_done
remove_from_queue
remove_moderator
remove_red_eye
remove_road
remove_shopping_cart
reorder
repartition
repeat
repeat_on
repeat_one
repeat_one_on
replay
replay_10
replay_30
replay_5
replay_circle_filled
reply
reply_all
report
report_gmailerrorred
report_off
report_problem
request_page
request_quote
reset_tv
restart_alt
restaurant
restaurant_menu
restore
restore_from_trash
restore_page
reviews
rice_bowl
ring_volume
rocket
rocket_launch
roller_shades
roller_shades_closed
roller_skating
room
roofing
room_preferences
room_service
rotate_90_degrees_ccw
rotate_90_degrees_cw
rotate_left
rotate_right
roundabout_left
roundabout_right
rounded_corner
route
router
rowing
rss_feed
rsvp
rtt
rule
rule_folder
running_with_errors
run_circle
rv_hookup
r_mobiledata
safety_check
safety_divider
sailing
sanitizer
satellite
satellite_alt
save
saved_search
save_alt
save_as
savings
scale
scanner
scatter_plot
schedule
schedule_send